728x90
오래전 인터넷 돌아다니다가 발견했고, 그 이후 추가 추가 했던 것들.
--======================================================================================
--#. 01 테이블스페이스별 파일 목록을 보기
--======================================================================================
SELECT SUBSTRB(TABLESPACE_NAME, 1, 10) AS "테이블스페이스"
,SUBSTRB(FILE_NAME, 1, 50) AS "파일명"
,TO_CHAR(BLOCKS, '999,999,990') AS "블럭수"
,TO_CHAR(BYTES, '99,999,999') AS "크기"
FROM DBA_DATA_FILES
ORDER BY TABLESPACE_NAME, FILE_NAME;
--======================================================================================
--#. 02 테이블스페이스별 정보 보기
--======================================================================================
SELECT A.TABLESPACE_NAME AS "TABLESPACE"
,A.INITIAL_EXTENT / 1024 AS "INIT(K)"
,A.NEXT_EXTENT / 1024 AS "NEXT(K)"
,A.MIN_EXTENTS AS "MIN"
,A.MAX_EXTENTS AS "MAX"
,A.PCT_INCREASE AS "PCT_INC(%)"
,B.FILE_NAME AS "FILE_NAME"
,B.BLOCKS * C.VALUE / 1024 / 1024 AS "SIZE(M)"
,B.STATUS AS "STATUS"
FROM DBA_TABLESPACES A
,DBA_DATA_FILES B
,V$PARAMETER C
WHERE A.TABLESPACE_NAME = B.TABLESPACE_NAME
AND C.NAME = 'db_block_size'
ORDER BY 1, 2;
--======================================================================================
--#. 03 테이블스페이스별 사용하는 파일의 크기 합 보기
--======================================================================================
SELECT SUBSTRB(TABLESPACE_NAME, 1, 10) AS TABLESPACE
,TO_CHAR(SUM(BYTES), '9,999,999,999,990') AS BYTES
,TO_CHAR(SUM(BLOCKS), '9,999,999,990') AS BLOCKS
FROM DBA_DATA_FILES
GROUP BY TABLESPACE_NAME
UNION ALL
SELECT '총계', TO_CHAR(SUM(BYTES), '9,999,999,999,990') AS BYTES, TO_CHAR(SUM(BLOCKS),
'9,999,999,990') AS BLOCKS
FROM DBA_DATA_FILES;
--======================================================================================
--#. 04 테이블스페이스별 디스크 사용량 보기
--======================================================================================
SELECT A.TABLESPACE_NAME AS "TABLESPACE"
,A.INIT AS "INIT(K)"
,A.NEXT AS "NEXT(K)"
,A.MIN AS "MIN"
,A.MAX AS "MAX"
,A.PCT_INC AS "PCT_INC(%)"
,TO_CHAR(B.TOTAL, '999,999,999,990') AS "총량(바이트)"
,TO_CHAR(C.FREE, '999,999,999,990') AS "남은량(바이트)"
,TO_CHAR(B.BLOCKS, '9,999,990') AS "총블럭"
,TO_CHAR(D.BLOCKS, '9,999,990') AS "사용블럭"
,TO_CHAR(100 * NVL(D.BLOCKS, 0) / B.BLOCKS, '999.99') AS "사용율%"
FROM (SELECT TABLESPACE_NAME
,INITIAL_EXTENT / 1024 AS INIT
,NEXT_EXTENT / 1024 AS NEXT
,MIN_EXTENTS AS MIN
,MAX_EXTENTS AS MAX
,PCT_INCREASE AS PCT_INC
FROM DBA_TABLESPACES) A
,(SELECT TABLESPACE_NAME, SUM(BYTES) AS TOTAL, SUM(BLOCKS) AS BLOCKS
FROM DBA_DATA_FILES
GROUP BY TABLESPACE_NAME) B
,(SELECT TABLESPACE_NAME, SUM(BYTES) AS FREE
FROM DBA_FREE_SPACE
GROUP BY TABLESPACE_NAME) C
,(SELECT TABLESPACE_NAME, SUM(BLOCKS) AS BLOCKS
FROM DBA_EXTENTS
GROUP BY TABLESPACE_NAME) D
WHERE A.TABLESPACE_NAME = B.TABLESPACE_NAME(+)
AND A.TABLESPACE_NAME = C.TABLESPACE_NAME(+)
AND A.TABLESPACE_NAME = D.TABLESPACE_NAME(+)
ORDER BY A.TABLESPACE_NAME;
-- DB 전체 할당량, 사용량, 여유량
SELECT OWNER, SUM(bytes)/1024/1024/1024 AS using_space_gb FROM dba_segments GROUP BY owner
;
SELECT segment_type, segment_name, SUM(bytes)/1024/1024 AS using_space_MB FROM dba_segments WHERE segment_name LIKE '%TEMP%' GROUP BY segment_type, segment_name
;
SELECT tablespace_name, SUM(bytes)/1024/1024/1024 AS free_space_gb FROM dba_free_space GROUP BY tablespace_name
;
SELECT file_name, SUM(bytes)/1024/1024/1024 AS all_space FROM dba_data_files GROUP BY file_name
;
--======================================================================================
--#. 05 테이블스페이스의 테이블 명 보기
--======================================================================================
SELECT TABLESPACE_NAME, TABLE_NAME
FROM DBA_TABLES
WHERE TABLESPACE_NAME = UPPER('&테이블스페이스명')
ORDER BY TABLESPACE_NAME, TABLE_NAME;
--======================================================================================
--#. 06 ROLLBACK SEGMENT의 사용상황 보기
--======================================================================================
--: EXTENTS = 현재 할당된 EXTENT의 수
--: EXTENDS = 마지막 트랜잭션에 의해 할당된 EXTENT의 수
SELECT SUBSTRB(A.SEGMENT_NAME, 1, 10) AS SEGMENT_NAME
,SUBSTRB(A.TABLESPACE_NAME, 1, 10) AS TABLESPACE_NAME
,TO_CHAR(A.SEGMENT_ID, '99,999') AS SEG_ID
,TO_CHAR(A.MAX_EXTENTS, '999,999') AS MAX_EXT
,TO_CHAR(B.EXTENTS, '999,999') AS EXTENTS
,TO_CHAR(B.EXTENDS, '999,999') AS EXTENDS
,TO_CHAR((A.INITIAL_EXTENT + (B.EXTENTS - 1) * A.NEXT_EXTENT) / 1000000, '9,999.999') AS "ALLOC(MB)"
,TO_CHAR(XACTS, '9,999') AS XACTS
FROM DBA_ROLLBACK_SEGS A
,V$ROLLSTAT B
WHERE A.SEGMENT_ID = B.USN(+)
ORDER BY 1;
--======================================================================================
--#. 07 CONSTRAINT 보기
--======================================================================================
SELECT DECODE(A.CONSTRAINT_TYPE, 'P', 'Primary Key', 'R', 'Foreign Key',
'C', 'Table Check', 'V', 'View Check', 'U', 'Unique', '?')
AS "유형"
,SUBSTRB(A.CONSTRAINT_NAME, 1, 25) AS CONSTRAINT_NAME
,B.POSITION
,SUBSTRB(B.COLUMN_NAME, 1, 25) AS COLUMN_NAME
FROM DBA_CONSTRAINTS A
,DBA_CONS_COLUMNS B
WHERE A.CONSTRAINT_NAME = B.CONSTRAINT_NAME
AND A.OWNER = 'E_LUCIS'
AND A.TABLE_NAME = UPPER('&테이블명')
ORDER BY 1, 2, 3;
--======================================================================================
--#. 08 INDEX 보기
--======================================================================================
SELECT A.INDEX_NAME
,A.UNIQUENESS
,TO_CHAR(COLUMN_POSITION, '999') AS POS
,SUBSTRB(COLUMN_NAME, 1, 33) AS COLUMN_NAME
FROM USER_INDEXES A
,USER_IND_COLUMNS B
WHERE A.INDEX_NAME = B.INDEX_NAME
AND A.TABLE_OWNER = UPPER('SCOTT')
AND A.TABLE_NAME = UPPER('&테이블명')
ORDER BY 1, 3;
--======================================================================================
--#. 09 전체 INDEX 보기
--======================================================================================
SELECT SUBSTRB(A.TABLE_NAME, 1, 22) AS TABLE_NAME
,SUBSTRB(A.INDEX_NAME, 1, 23) AS INDEX_NAME
,SUBSTRB(A.UNIQUENESS, 1, 7) AS UNIQUE
,TO_CHAR(COLUMN_POSITION, '999') AS POS
,SUBSTRB(COLUMN_NAME, 1, 20) AS COLUMN_NAME
FROM DBA_INDEXES A
,DBA_IND_COLUMNS B
WHERE A.INDEX_NAME = B.INDEX_NAME
AND A.TABLE_OWNER = B.TABLE_OWNER
AND A.TABLE_OWNER = 'SCOTT'
ORDER BY 1, 2, 3;
--======================================================================================
--#. 10 인덱스에 대한 컬럼 조회
--======================================================================================
SELECT TABLE_NAME
,INDEX_NAME
,COLUMN_POSITION
,COLUMN_NAME
FROM USER_IND_COLUMNS
ORDER BY TABLE_NAME, INDEX_NAME, COLUMN_POSITION;
--======================================================================================
--#. 11 테이블에 LOCK이 걸렸는지를 보기
--======================================================================================
SELECT A.SID
,A.SERIAL#
,SUBSTRB(A.USERNAME, 1, 16) AS USERNAME
,SUBSTRB(A.MACHINE, 1, 30) AS MACHINE
,A.TERMINAL
,A.OSUSER
,A.PROGRAM
,SUBSTRB(TO_CHAR(A.LOGON_TIME, 'MM/DD HH24:MI:SS'), 1, 14) AS LOGON_TIME
,SUBSTRB(C.OBJECT_NAME, 1, 58) AS OBJECT_NAME
FROM V$SESSION A
,V$LOCK B
,DBA_OBJECTS C
WHERE A.SID = B.SID
AND B.ID1 = C.OBJECT_ID
AND B.TYPE = 'TM'
AND C.OBJECT_NAME LIKE UPPER('&테이블명');
--======================================================================================
--#. 12 Lock을 잡고있는 세션과 기다리는 세션 조회
--======================================================================================
SELECT DECODE(B.LOCKWAIT, NULL, ' ', 'w') AS WW
,B.SID
,B.SERIAL# AS SER#
,SUBSTR(B.MACHINE, 1, 10) AS MACHINE
,SUBSTR(B.PROGRAM, 1, 15) AS PROGRAM
,SUBSTR(A.OBJECT_NAME, 1, 17) AS OBJ_NAME
,SUBSTR(B.STATUS, 1, 1) AS S
,DECODE(B.COMMAND, 0, NULL, 2, 'INSERT', 6, 'UPDATE', 7, 'DELETE', B.COMMAND) AS SQLCMD
,B.PROCESS AS PGM_PSS
FROM V$SESSION B
,(SELECT A.SID, DECODE(B.OWNER, NULL, A.TYPE || '..ing', B.OWNER || '.' || B.OBJECT_NAME) AS OBJECT_NAME
FROM V$LOCK A
,DBA_OBJECTS B
WHERE A.ID1 = B.OBJECT_ID(+)
GROUP BY A.SID, DECODE(B.OWNER, NULL, A.TYPE || '..ing', B.OWNER || '.' || B.OBJECT_NAME)) A
WHERE B.SID = A.SID
AND B.TADDR IS NOT NULL;
--======================================================================================
--#. 13 테이블에 걸린 비정상적 LOCK 풀기
--======================================================================================
ALTER SYSTEM KILL SESSION '&SID,&SERIAL';
--======================================================================================
--#. 14 연결되어 있는 OS 사용자 및 프로그램 조회
--======================================================================================
SELECT SID
,SERIAL#
,OSUSER
,SUBSTRB(USERNAME, 1, 10) AS USER_NAME
,SUBSTRB(PROGRAM, 1, 30) AS PROGRAM_NAME
,STATUS
,TO_CHAR(LOGON_TIME, 'YYYY/MM/DD HH:MI') AS LOGON_TIME
FROM V$SESSION
WHERE TYPE != ‘BACKGROUND’
AND STATUS = ‘ACTIVE’;
--======================================================================================
--#. 15 위치별 space를 아는 방법
--======================================================================================
SELECT SUBSTRB(A.FILE_NAME, 1, 40) AS FILE_NAME
,A.FILE_ID
,B.FREE_BYTES / 1024 AS FREE_BYTES
,B.MAX_BYTES / 1024 AS MAX_BYTES
FROM DBA_DATA_FILES A
,(SELECT FILE_ID, SUM(BYTES) AS FREE_BYTES, MAX(BYTES) AS MAX_BYTES
FROM DBA_FREE_SPACE
GROUP BY FILE_ID) B
WHERE A.FILE_ID = B.FILE_ID
AND A.TABLESPACE_NAME = UPPER('&테이블스페이스명')
ORDER BY A.FILE_NAME;
--======================================================================================
--#. 16 DB Link 보기
--======================================================================================
select * from dba_db_links;
select * from user_db_links;
--SELECT SUBSTRB(U.NAME, 1, 10) AS OWNER
-- ,SUBSTRB(L.NAME, 1, 20) AS DB_LINK
-- ,SUBSTRB(L.HOST, 1, 10) AS HOST
-- ,SUBSTRB(L.USERID || '/' || L.PASSWORD, 1, 15) AS USERPASS
--FROM SYS.LINK$ L
-- ,SYS.USER$ U
--WHERE L.OWNER# = U.USER#;
--======================================================================================
--#. 17 테이블 생성일자 보기
--======================================================================================
SELECT SUBSTRB(OBJECT_NAME, 1, 15) AS OBJECT_NAME
,CREATED
,LAST_DDL_TIME
,TIMESTAMP
,STATUS
FROM USER_OBJECTS
WHERE OBJECT_NAME = UPPER('&테이블명')
AND OBJECT_TYPE = 'TABLE';
--======================================================================================
--#. 18 테이블의 크기 및 블록 보기
--======================================================================================
SELECT SUBSTR(SEGMENT_NAME, 1, 20), BYTES, BLOCKS
FROM USER_SEGMENTS -- DBA_SEGMENTS
WHERE SEGMENT_NAME = UPPER('&테이블명');
SELECT SUBSTR(SEGMENT_NAME, 1, 20), SUM(BYTES)/1024/1024 as mb
FROM dba_SEGMENTS -- DBA_SEGMENTS
WHERE OWNER = 'SCOTT'
AND SEGMENT_NAME LIKE 'DEPT%'
GROUP BY SUBSTR(SEGMENT_NAME, 1, 20)
;
--======================================================================================
--#. 19 View의 정의 내역 보기
--======================================================================================
SET LONG 100000
SELECT TEXT
FROM USER_VIEWS
WHERE VIEW_NAME LIKE UPPER('&뷰_이름');
--======================================================================================
--#. 20 파티션 테이블의 파티션 범위 보기
--======================================================================================
SELECT SUBSTRB(PARTITION_NAME, 1, 30) AS PARTITION_NAME, SUBSTRB(TABLESPACE_NAME, 1, 30)
AS TABLESPACE_NAME, HIGH_VALUE
FROM USER_TAB_PARTITIONS
WHERE TABLE_NAME = UPPER('&테이블명');
--======================================================================================
--#. 21 PRIMARY KEY 재생성 방법
--======================================================================================
--- PRIMARY KEY DROP
ALTER TABLE EMP DROP PRIMARY KEY;
-- PRIMARY KEY 생성
ALTER TABLE EMP ADD CONSTRAINT EMP_PK PRIMARY KEY(EMPNO)
USING INDEX STORAGE(INITIAL 1M NEXT 1M PCTINCREASE 0)
TABLESPACE USERS;
--======================================================================================
--#. 22 PRIMARY KEY를 REFERENCE 하는 FOREIGN KEY 찾기
--======================================================================================
SELECT C.NAME CONSTRAINT_NAME
FROM DBA_OBJECTS A
,CDEF$ B
,CON$ C
WHERE A.OBJECT_NAME = UPPER('&테이블명')
AND A.OBJECT_ID = B.ROBJ#
AND B.CON# = C.CON#;
--======================================================================================
--#. 23 동일한 자료 삭제 방법
--======================================================================================
DELETE
FROM EMP E
WHERE E.ROWID > ( SELECT MIN(X.ROWID)
FROM EMP X
WHERE X.EMPNO = E.EMPNO );
--======================================================================================
--#. 24 1시간 이상 유휴 상태인 세션
--======================================================================================
SELECT SID
,SERIAL#
,USERNAME
,TRUNC(LAST_CALL_ET / 3600, 2) || ' HR' LAST_CALL_ET
FROM V$SESSION
WHERE LAST_CALL_ET > 3600
AND USERNAME IS NOT NULL;
--======================================================================================
--#. 25 Oracle Process의 정보
--======================================================================================
SELECT S.STATUS "STATUS"
,S.SERIAL# "SERIAL#"
,S.TYPE "TYPE"
,S.USERNAME "DB USER"
,S.OSUSER "CLIENT USER"
,S.SERVER "SERVER"
,S.MACHINE "MACHINE"
,S.MODULE "MODULE"
,S.TERMINAL "TERMINAL"
,S.PROGRAM "PROGRAM"
,P.PROGRAM "O.S. PROGRAM"
,S.LOGON_TIME "CONNECT TIME"
,LOCKWAIT "LOCK WAIT"
,SI.PHYSICAL_READS "PHYSICAL READS"
,SI.BLOCK_GETS "BLOCK GETS"
,SI.CONSISTENT_GETS "CONSISTENT GETS"
,SI.BLOCK_CHANGES "BLOCK CHANGES"
,SI.CONSISTENT_CHANGES "CONSISTENT CHANGES"
,S.PROCESS "PROCESS"
,P.SPID
,P.PID
,S.SERIAL#
,SI.SID
,S.SQL_ADDRESS "ADDRESS"
,S.SQL_HASH_VALUE "SQL HASH"
,S.ACTION
FROM V$SESSION S
,V$PROCESS P
,SYS.V_$SESS_IO SI
WHERE S.PADDR = P.ADDR(+)
AND SI.SID(+) = S.SID
AND S.USERNAME IS NOT NULL
AND NVL(S.OSUSER, 'X') <> 'SYSTEM'
AND S.TYPE <> 'BACKGROUND'
ORDER BY 3;
--======================================================================================
--#. 26 중복인덱스 체크
--======================================================================================
SELECT O1.NAME || '.' || N1.NAME REDUNDANT_INDEX, O2.NAME || '.' || N2.NAME SUFFICIENT_INDEX
FROM SYS.ICOL$ IC1
,SYS.ICOL$ IC2
,SYS.IND$ I1
,SYS.OBJ$ N1
,SYS.OBJ$ N2
,SYS.USER$ O1
,SYS.USER$ O2
WHERE IC1.POS# = 1
AND IC2.BO# = IC1.BO#
AND IC2.OBJ# != IC1.OBJ#
AND IC2.POS# = 1
AND IC2.INTCOL# = IC1.INTCOL#
AND I1.OBJ# = IC1.OBJ#
AND BITAND(I1.PROPERTY, 1) = 0
AND (SELECT MAX(POS#) * (MAX(POS#) + 1) / 2
FROM SYS.ICOL$
WHERE OBJ# = IC1.OBJ#) = (SELECT SUM(XC1.POS#)
FROM SYS.ICOL$ XC1
,SYS.ICOL$ XC2
WHERE XC1.OBJ# = IC1.OBJ#
AND XC2.OBJ# = IC2.OBJ#
AND XC1.POS# = XC2.POS#
AND XC1.INTCOL# = XC2.INTCOL#)
AND N1.OBJ# = IC1.OBJ#
AND N2.OBJ# = IC2.OBJ#
AND O1.USER# = N1.OWNER#
AND O2.USER# = N2.OWNER#;
--======================================================================================
--#. 27 공간의 90% 이상을 사용하고 있는 Tablespace
--======================================================================================
SELECT X.TABLESPACE_NAME
,TOTAL_SIZE / 1024 / 1024 TOTAL_SIZE
,USED_SIZE / 1024 / 1024 USED_SIZE
,(ROUND(USED_SIZE / TOTAL_SIZE, 2)) * 100 USED_RATIO
FROM (SELECT TABLESPACE_NAME, SUM(BYTES) TOTAL_SIZE
FROM DBA_DATA_FILES
GROUP BY TABLESPACE_NAME) X
,(SELECT TABLESPACE_NAME, SUM(BYTES) USED_SIZE
FROM DBA_EXTENTS
GROUP BY TABLESPACE_NAME) Y
WHERE X.TABLESPACE_NAME = Y.TABLESPACE_NAME(+)
AND Y.USED_SIZE > .9 * X.TOTAL_SIZE;
--======================================================================================
--#. 28 현재 Extension 횟수가 MaxExtents의 80% 이상인 경우
--======================================================================================
SELECT TABLESPACE_NAME
,OWNER
,SEGMENT_NAME
,SEGMENT_TYPE
,EXTENTS
,MAX_EXTENTS
FROM SYS.DBA_SEGMENTS S
WHERE EXTENTS / MAX_EXTENTS > .8
AND MAX_EXTENTS > 0
ORDER BY TABLESPACE_NAME, OWNER, SEGMENT_NAME;
--======================================================================================
--#. 29 Active Session 중 Idle Time이 긴 작업
--======================================================================================
SELECT VS.SID || ',' || VS.SERIAL# " SID"
,VP.SPID
,VS.MACHINE
,VS.PROGRAM
,VS.MODULE
,VS.STATUS
,TO_CHAR(VS.LOGON_TIME, 'MM/DD HH24:MI') LOGIN_TIME
,ROUND(VS.LAST_CALL_ET / 60) "IDLE"
FROM V$SESSION VS
,V$PROCESS VP
WHERE VS.STATUS = 'ACTIVE'
AND VS.SID NOT IN (1, 2, 3, 4, 5, 6, 7)
AND VS.PADDR = VP.ADDR
ORDER BY 8;
--======================================================================================
--#. 30 DBUser 별로 Session 정보를 조회
--======================================================================================
SELECT S.USERNAME
,S.SID
,S.SERIAL#
,P.SPID
,S.OSUSER
,S.MACHINE
,S.PROGRAM
,TO_CHAR(S.LOGON_TIME, 'MM/DD HH24:MI') "LOGON_TIME"
,ROUND(S.LAST_CALL_ET / 60) "IDLE"
FROM V$SESSION S
,V$PROCESS P
WHERE S.PADDR = P.ADDR
AND S.USERNAME LIKE UPPER('&DBUSER%')
ORDER BY 9;
--======================================================================================
--#. 31 사용자 session 중에서 2시간 이상 idle 상태가 지속되는 session을 kill
--======================================================================================
SET PAGESIZE 0
SPOOL KILLIDLE3.SQL
SELECT DISTINCT '!KILL -9 ' || B.SPID, 'ALTER SYSTEM KILL SESSION ''' || A.SID || ',' || A.SERIAL# || ''' ;'
FROM V$SESSION A
,V$PROCESS B
WHERE A.PADDR IN (SELECT S.PADDR
FROM V$SESSION S
WHERE STATUS = 'INACTIVE'
GROUP BY S.PADDR
HAVING MIN(ROUND(LAST_CALL_ET / 60)) > 120)
AND A.PADDR = B.ADDR
AND A.STATUS = 'INACTIVE';
SPOOL OFF
--======================================================================================
--#. 32 사용자별 오브젝트 수
--======================================================================================
SELECT OWNER AS "OWNER"
,SUM(DECODE(OBJECT_TYPE, 'TABLE', 1, 0)) AS "TABLE"
,SUM(DECODE(OBJECT_TYPE, 'INDEX', 1, 0)) AS "INDEX"
,SUM(DECODE(OBJECT_TYPE, 'SYNONYM', 1, 0)) AS "SYNONYMS"
,SUM(DECODE(OBJECT_TYPE, 'SEQUENCE', 1, 0)) AS "SEQUENCES"
,SUM(DECODE(OBJECT_TYPE, 'VIEW', 1, 0)) AS "VIEWS"
,SUM(DECODE(OBJECT_TYPE, 'CLUSTER', 1, 0)) AS "CLUSTERS"
,SUM(DECODE(OBJECT_TYPE, 'DATABASE LINK', 1, 0)) AS "DBLINKS"
,SUM(DECODE(OBJECT_TYPE, 'PACKAGE', 1, 0)) AS "PACKAGES"
,SUM(DECODE(OBJECT_TYPE, 'PACKAGE BODY', 1, 0)) AS "PACKAGE_BODY"
,SUM(DECODE(OBJECT_TYPE, 'PROCEDURE', 1, 0)) AS "PROCEDURES"
,SUM(DECODE(OBJECT_TYPE, 'FUNCTION', 1, 0)) AS "FUNCTION"
FROM DBA_OBJECTS
GROUP BY OWNER;
--======================================================================================
--#. 33 Object별 테이블스페이스 및 데이터파일
--======================================================================================
SELECT DISTINCT E.SEGMENT_NAME, E.TABLESPACE_NAME, F.FILE_NAME
FROM DBA_EXTENTS E
,DBA_DATA_FILES F
WHERE E.FILE_ID = F.FILE_ID
AND E.SEGMENT_TYPE = 'TABLE'
--AND e.segment_name like
AND E.TABLESPACE_NAME NOT IN ('SYSTEM', 'TOOLS');
--======================================================================================
--#. 34 작업 중인 데이터베이스 트랜잭션 조회
--======================================================================================
SELECT S.SID
,S.SERIAL#
,S.STATUS
,S.OSUSER
,S.USERNAME
,T.STATUS
,T.START_TIME
FROM V$SESSION S
,V$TRANSACTION T
,DBA_ROLLBACK_SEGS R
WHERE S.TADDR = T.ADDR
AND T.XIDUSN = R.SEGMENT_ID;
--======================================================================================
--#. 35 열려 있는 커서 조회
--======================================================================================
SELECT A.SID
,A.OSUSER
,COUNT(B.SID) AS "CURSOR"
,A.PROGRAM
,A.module
,A.STATUS
FROM V$SESSION A
,V$OPEN_CURSOR B
WHERE A.SID = B.SID(+)
GROUP BY A.SID, A.OSUSER, A.PROGRAM, A.STATUS, A.module
order by count(b.sid) desc;
;
--======================================================================================
--#. 36 잠금 발생 유형 조회
--======================================================================================
SELECT A.SID
,DECODE(A.TYPE
,'MR', 'MEDIA RECOVERY'
,'RT', 'REDO THREAD'
,'UN', 'USER_NAME'
,'TX', 'TRANSACTION'
,'TM', 'DML'
,'UL', 'PL/SQL USER LOCK'
,'DX', 'DISTRIBUTED XACTION'
,'CF', 'CONTROL FILE'
,'IS', 'INSTANCE STATE'
,'FS', 'FILE SET'
,'IR', 'INSTANCE RECOVERY'
,'FS', 'FILE SET'
,'ST', 'DISK SPACE TRANSACTION'
,'TS', 'TEMP SEGMENT'
,'IV', 'LIBRARY CACHE INVAILDATION'
,'LS', 'LOG START OR SWITCH'
,'RW', 'ROW WAIT'
,'SQ', 'SEQUENCE NUMBER'
,'TE', 'EXTEND TABLE'
,'TT', 'TEMP TABLE'
,A.TYPE
)
AS "LOCK_TYPE"
,DECODE(A.LMODE
,0, 'NONE'
,1, 'NULL'
,2, 'ROW-S(SS)'
,3, 'ROW-X(SX)'
,4, 'SHARE'
,5, 'S/ROW-X(SSX)'
,6, 'EXCLUSIVE'
,TO_CHAR(A.LMODE)
)
AS "MODE_HELD"
,DECODE(A.REQUEST
,0, 'NONE'
,1, 'NULL'
,2, 'ROW-S(SS)'
,3, 'ROW-X(SX)'
,4, 'SHARE'
,5, 'S/ROW-X(SSX)'
,6, 'EXCLUSIVE'
,TO_CHAR(A.REQUEST)
)
AS "MODE_REQUESTED"
,TO_CHAR(A.ID1) AS "LOCK_ID1"
,TO_CHAR(A.ID2) AS "LOCK_ID2"
,DECODE(BLOCK, 0, 'NOT BLOCKING', 1, 'BLOCKING', 2, 'GLOBAL', TO_CHAR(BLOCK)) AS "BLOCKING_OTHERS"
FROM V$LOCK A
WHERE (ID1, ID2) IN (SELECT B.ID1, ID2
FROM V$LOCK B
WHERE B.ID1 = A.ID1);
--======================================================================================
--#. 37 테이블의 PK를 구성하는 컬럼 조회
--======================================================================================
SELECT A.TABLE_NAME, B.CONSTRAINT_NAME, C.COLUMN_NAME
FROM USER_TABLES A
,USER_CONSTRAINTS B
,USER_CONS_COLUMNS C
WHERE A.TABLE_NAME = B.TABLE_NAME
AND B.CONSTRAINT_NAME = C.CONSTRAINT_NAME
AND B.CONSTRAINT_TYPE = 'P';
--======================================================================================
--#. 38 오브젝트에 접속되어 있는 프로그램 조회
--======================================================================================
SELECT SUBSTR(B.OBJECT, 1, 15) AS OBJECT, SUBSTR(A.PROGRAM, 1, 15) AS PROGRAM, COUNT(*) AS CNT
FROM V$SESSION A
,V$ACCESS B
WHERE A.SID = B.SID
AND B.OWNER NOT IN ('SYS')
AND A.TYPE != 'BACKGROUND'
AND B.OBJECT LIKE UPPER('&OBJECT_NAME') || '%'
GROUP BY B.OBJECT, SUBSTR(A.PROGRAM, 1, 15);
--======================================================================================
--#. 39 잠금 상태 오브젝트 조회
--======================================================================================
SELECT A.SESSION_ID
,B.SERIAL#
,A.OS_USER_NAME
,A.ORACLE_USERNAME
,C.OBJECT_NAME
,A.LOCKED_MODE
,A.XIDUSN
FROM V$LOCKED_OBJECT A
,V$SESSION B
,DBA_OBJECTS C
WHERE A.OBJECT_ID = C.OBJECT_ID
AND A.SESSION_ID = B.SID;
--======================================================================================
--#. 40 잠금 SQL 구문 조회
--======================================================================================
SELECT B.USERNAME AS USERNAME
,C.SID AS SID
,C.OWNER AS OBJECT_OWNER
,C.OBJECT AS OBJECT
,B.LOCKWAIT
,A.PIECE
,A.SQL_TEXT AS SQL
FROM V$SQLTEXT A
,V$SESSION B
,V$ACCESS C
WHERE A.ADDRESS = B.SQL_ADDRESS
AND A.HASH_VALUE = B.SQL_HASH_VALUE
AND B.SID = C.SID
AND C.OWNER != 'SYS';
--======================================================================================
--#. 41 롤백 세그먼트 경합 조회
--======================================================================================
SELECT NAME T0
,GETS T1
,WAITS T2
,TO_CHAR(TRUNC(WAITS / GETS * 100, 2), 099.99) || ' %' T3
,TO_CHAR(ROUND(RSSIZE / 1024)) T4
,SHRINKS T5
,EXTENDS T6
FROM V$ROLLSTAT
,V$ROLLNAME
WHERE V$ROLLSTAT.USN = V$ROLLNAME.USN;
--======================================================================================
--#. 42 CPU를 많이 사용하는 세션의 식별
--======================================================================================
SELECT A.SID
,C.SERIAL#
,A.VALUE
,C.USERNAME
,C.STATUS
,C.PROGRAM
FROM V$SESSTAT A
,V$STATNAME B
,V$SESSION C
WHERE A.STATISTIC# = B.STATISTIC#
AND A.SID = C.SID
AND B.NAME = 'CPU used by this session'
AND A.VALUE > 0
ORDER BY A.VALUE DESC;
--======================================================================================
--#. 43 Tablespace별 Table, Index 개수
--======================================================================================
SELECT OWNER
,TABLESPACE_NAME
,SUM(DECODE(SEGMENT_TYPE, 'TABLE', 1, 0))
,SUM(DECODE(SEGMENT_TYPE, 'INDEX', 1, 0))
FROM DBA_SEGMENTS
WHERE SEGMENT_TYPE IN ('TABLE', 'INDEX')
GROUP BY OWNER, TABLESPACE_NAME;
--======================================================================================
--#. 44 Disk Read 가 많은 SQL문 찾기
--======================================================================================
SELECT DISK_READS, SQL_TEXT
FROM V$SQLAREA
WHERE DISK_READS > 100
ORDER BY DISK_READS DESC;
--======================================================================================
--#. 45 Rollback Segment를 사용하고 있는 SQL문 조회
--======================================================================================
SELECT A.NAME
,B.XACTS
,C.SID
,C.SERIAL#
,C.USERNAME
,D.SQL_TEXT
FROM V$ROLLNAME A
,V$ROLLSTAT B
,V$SESSION C
,V$SQLTEXT D
,V$TRANSACTION E
WHERE A.USN = B.USN
AND B.USN = E.XIDUSN
AND C.TADDR = E.ADDR
AND C.SQL_ADDRESS = D.ADDRESS
AND C.SQL_HASH_VALUE = D.HASH_VALUE
ORDER BY A.NAME, C.SID, D.PIECE;
--======================================================================================
--#. 46 Index가 없는 Table 조회
--======================================================================================
SELECT OWNER, TABLE_NAME
FROM (SELECT OWNER, TABLE_NAME
FROM DBA_TABLES
MINUS
SELECT TABLE_OWNER, TABLE_NAME
FROM DBA_INDEXES)
WHERE OWNER NOT IN ('SYS', 'SYSTEM')
ORDER BY OWNER, TABLE_NAME;
--======================================================================================
--#. 47 오래도록 수행되는 Full Table Scan를 모니터링
--======================================================================================
SELECT SID
,SERIAL#
,OPNAME
,TO_CHAR(START_TIME, 'HH24:MI:SS') AS "START"
,(SOFAR / TOTALWORK) * 100 AS "PERCENT_COMPLETE"
FROM V$SESSION_LONGOPS;
--======================================================================================
--#. 48 System 테이블스페이스에 비시스템 세그먼트 조회
--======================================================================================
SELECT OWNER
,SEGMENT_NAME
,SEGMENT_TYPE
,TABLESPACE_NAME
FROM DBA_SEGMENTS
WHERE OWNER NOT IN ('SYS', 'SYSTEM')
AND TABLESPACE_NAME = 'SYSTEM';
--======================================================================================
--#. 49 인덱스의 Delete Space 조회
--======================================================================================
SELECT NAME
,LF_ROWS
,DEL_LF_ROWS
,(DEL_LF_ROWS / LF_ROWS) * 100 AS "DELETE SPACE %"
FROM INDEX_STATS
WHERE NAME = UPPER('&INDEX_NAME');
--Delete Space % 값이 20 % 가 넘으면, 그 인덱스는 다시 작성하는 것이 좋다.
--======================================================================================
--#. 50 Session별 사용 명령어
--======================================================================================
SELECT SESS.SID
,SESS.SERIAL#
,SUBSTR(SESS.USERNAME, 1, 10) "USER NAME"
,SUBSTR(OSUSER, 1, 11) "OS USER"
,SUBSTR(SESS.MACHINE, 1, 15) "MACHINE NAME"
,STATUS
,UPPER(
DECODE(NVL(COMMAND, 0)
,0, '---'
,1, 'CREATE TABLE'
,2, 'INSERT -'
,3, 'SELECT -'
,4, 'CREATE CLUST'
,5, 'ALTER CLUST'
,6, 'UPDATE -'
,7, 'DELETE -'
,8, 'DROP -'
,9, 'CREATE INDEX'
,10, 'DROP INDEX'
,11, 'ALTER INDEX'
,12, 'DROP TABLE'
,13, 'CREATE SEQ'
,14, 'ALTER SEQ'
,15, 'ALTER TABLE'
,16, 'DROP SEQ'
,17, 'GRANT'
,18, 'REVOKE'
,19, 'CREATE SYN'
,20, 'DROP SYN'
,21, 'CREATE VIEW'
,22, 'DROP VIEW'
,23, 'VALIDATE IX'
,24, 'CREATE PROC'
,25, 'ALTER PROC'
,26, 'LOCK TABLE'
,27, 'NO OPERATION'
,28, 'RENAME'
,29, 'COMMENT'
,30, 'AUDIT'
,31, 'NOAUDIT'
,32, 'CREATE DBLINK'
,33, 'DROP DB LINK'
,34, 'CREATE DATABASE'
,35, 'ALTER DATABASE'
,36, 'CREATE RBS'
,37, 'ALTER RBS'
,38, 'DROP RBS'
,39, 'CREATE TABLESPACE'
,40, 'ALTER TABLESPACE'
,41, 'DROP TABLESPACE'
,42, 'ALTER SESSION'
,43, 'ALTER USER'
,44, 'COMMIT'
,45, 'ROLLBACK'
,47, 'PL/SQL EXEC'
,48, 'SET TRANSACTION'
,49, 'SWITCH LOG'
,50, 'EXPLAIN'
,51, 'CREATE USER'
,52, 'CREATE ROLE'
,53, 'DROP USER'
,54, 'DROP ROLE'
,55, 'SET ROLE'
,56, 'CREATE SCHEMA'
,58, 'ALTER TRACING'
,59, 'CREATE TRIGGER'
,61, 'DROP TRIGGER'
,62, 'ANALYZE TABLE'
,63, 'ANALYZE INDEX'
,69, 'DROP PROCEDURE'
,71, 'CREATE SNAP LOG'
,72, 'ALTER SNAP LOG'
,73, 'DROP SNAP LOG'
,74, 'CREATE SNAPSHOT'
,75, 'ALTER SNAPSHOT'
,76, 'DROP SNAPSHOT'
,85, 'TRUNCATE TABLE'
,88, 'ALTER VIEW'
,91, 'CREATE FUNCTION'
,92, 'ALTER FUNCTION'
,93, 'DROP FUNCTION'
,94, 'CREATE PACKAGE'
,95, 'ALTER PACKAGE'
,96, 'DROP PACKAGE'
,46, 'SAVEPOINT'
)
)
COMMAND
,SESS.PROCESS "C.PROC"
,PROC.SPID "S.PROC"
,TO_CHAR(SESS.LOGON_TIME, 'YYYY-MM-DD HH24:MI')
FROM V$SESSION SESS
,V$SESSTAT STAT
,V$STATNAME NAME
,V$PROCESS PROC
WHERE SESS.SID = STAT.SID
AND STAT.STATISTIC# = NAME.STATISTIC#
AND SESS.USERNAME IS NOT NULL
AND NAME.NAME = 'RECURSIVE CALLS'
AND SESS.PADDR = PROC.ADDR
ORDER BY 3, 1, 2;
--======================================================================================
--#. 51 딕셔너리/뷰 정보 조회
--======================================================================================
SELECT A.TABLE_NAME, B.COLUMN_NAME
FROM DICTIONARY A
,DICT_COLUMNS B
WHERE A.TABLE_NAME = B.TABLE_NAME;
--======================================================================================
--#. 52 패키지 검색 1 - 특정 오라클 사용자 중에서 패키지 소스와 일치하는 텍스트를 조회
--======================================================================================
-- 오라클 사용자에서 사용하는 패키지를 보여는 방법
---- :IN_OWNER : 오라클 사용자
---- :IN_OBJECT_NAME : 패키지 이름
SELECT OBJECT_NAME
FROM DBA_OBJECTS
WHERE OWNER = :IN_OWNER
AND OBJECT_NAME LIKE '%' || :IN_OBJECT_NAME || '%'
AND OBJECT_TYPE = 'PACKAGE';
-- 오라클 사용자의 패키지 중에서 텍스트 내용을 검색하여 패키지 정보를 추출
---- :IN_OWNER : 오라클 사용자
---- :IN_TEXT : 패키지소 스에서 검색할 텍스트
SELECT NAME -- 패키지 이름
, LINE -- 라인 수
, TEXT -- 패키지 BODY에 수정된 내용
FROM DBA_SOURCE
WHERE OWNER = :IN_OWNER
AND TEXT LIKE '%' || :IN_TEXT || '%';
--======================================================================================
--#. 53 특정 사용자의 패키지 내에서 주석처리가 되지 않은 항목을 조회
--======================================================================================
/*
오라클 사용자가 사용하는 패키지의 BODY 소스를 검색하여
주식이 없거나 패턴이 맞지 않는 항목을 조회 한다.
*/
SELECT *
FROM DBA_OBJECTS B
WHERE B.OWNER = :IN_OWNER
AND B.OBJECT_TYPE = 'PACKAGE BODY'
AND B.STATUS <> 'INVALID' -- VALID 상태만 조회, 만약 INVALID 된다고 해도 패키지를 수행하는 순간 컴파일 됨.
AND NOT EXISTS
(SELECT 1
FROM DBA_SOURCE A
WHERE A.OWNER = B.OWNER
AND A.TYPE = B.OBJECT_TYPE
AND A.NAME = B.OBJECT_NAME
AND A.LINE <= 5
AND A.TEXT LIKE '%NAME%');
--======================================================================================
--#. 54 테이블의 익스텐트 정보 조회
--======================================================================================
/*
오라클에서 스토리지 구조는 아래와 같다.
테이블 스페이스 -> 세그먼트 -> 익스텐트 -> 블록 -> OS 범위 -> 데이터 파일 -> 운영체제 블록
세그먼트의 이름,
해당 세그먼트의 최대 익스텐트 개수,
익스텐트 아이디
해당 세그먼트의 최대 익스텐트 개수 - 최대 익스텐트 아이디
딕셔너리 관리 테이블스페이스로 생성한 것으로 조회를 한다.
*/
SELECT B.SEGMENT_NAME
,B.MAX_EXTENTS
,MAX(C.EXTENT_ID) AS EXTENT_ID
,B.MAX_EXTENTS - MAX(C.EXTENT_ID) AS DIFF
FROM DBA_TABLESPACES A
,DBA_SEGMENTS B
,DBA_EXTENTS C
WHERE 1=1
and A.EXTENT_MANAGEMENT = 'DICTIONARY'
AND B.TABLESPACE_NAME = A.TABLESPACE_NAME
AND C.SEGMENT_NAME = B.SEGMENT_NAME
GROUP BY B.SEGMENT_NAME, B.MAX_EXTENTS
HAVING B.MAX_EXTENTS - MAX(C.EXTENT_ID) <= 50
ORDER BY B.MAX_EXTENTS - MAX(C.EXTENT_ID);
--======================================================================================
--#. 55 특정 테이블의 스키마 구조 확인
--======================================================================================
/*
보통 토드나 기타 오라클 클라이언트 툴을 이용해서 테이블 구조를 확인 해도 됩니다.
하지만 수많은 테이블을 전체 보고 싶을 경우 아래 쿼리를 이용하면 한번에 확인이 가능합니다.
*/
--: 관리자용
SELECT OWNER
,TABLE_NAME
,COLUMN_NAME
,PK
,COLUMN_NAME
,DATA_TYPE || '( ' || NVL(DATA_TYPE_2, DATA_LENGTH) || ' )' DATA_TYPE
,NULLABLE
,COMMENTS
FROM (SELECT A.OWNER
,A.TABLE_NAME
,A.COLUMN_ID
,B.POSITION PK
,A.COLUMN_NAME
,A.DATA_TYPE
,A.DATA_PRECISION || DECODE(A.DATA_SCALE, NULL, NULL, ',' || A.DATA_SCALE) DATA_TYPE_2
,A.DATA_LENGTH
,A.DATA_PRECISION
,A.DATA_SCALE
,A.NULLABLE
,A.COMMENTS
,ROW_NUMBER() OVER (PARTITION BY A.OWNER, A.TABLE_NAME, A.COLUMN_ID
ORDER BY A.COLUMN_ID, B.POSITION) RN
FROM (SELECT COL.OWNER
,COL.TABLE_NAME
,COL.COLUMN_ID
,COL.COLUMN_NAME
,COL.DATA_TYPE
,COL.DATA_LENGTH
,COL.DATA_PRECISION
,COL.DATA_SCALE
,COL.NULLABLE
,COM.COMMENTS
FROM DBA_TAB_COLUMNS COL
,DBA_COL_COMMENTS COM
WHERE COL.COLUMN_NAME = COM.COLUMN_NAME
AND COL.OWNER = COM.OWNER
AND COL.TABLE_NAME = COM.TABLE_NAME
AND COM.OWNER = :IN_OWNER
AND COM.TABLE_NAME LIKE :IN_TABLE_NAME || '%') A
,DBA_CONS_COLUMNS B
WHERE B.TABLE_NAME(+) = A.TABLE_NAME
AND B.COLUMN_NAME(+) = A.COLUMN_NAME) X
WHERE X.RN = 1
ORDER BY X.TABLE_NAME, X.COLUMN_ID;
--: 일반 사용자 용
SELECT TABLE_NAME
,COLUMN_NAME
,PK
,COLUMN_NAME
,DATA_TYPE || '( ' || NVL(DATA_TYPE_2, DATA_LENGTH) || ' )' DATA_TYPE
,NULLABLE
,COMMENTS
FROM (SELECT A.TABLE_NAME
,A.COLUMN_ID
,B.POSITION PK
,A.COLUMN_NAME
,A.DATA_TYPE
,A.DATA_PRECISION || DECODE(A.DATA_SCALE, NULL, NULL, ',' || A.DATA_SCALE) DATA_TYPE_2
,A.DATA_LENGTH
,A.DATA_PRECISION
,A.DATA_SCALE
,A.NULLABLE
,A.COMMENTS
,ROW_NUMBER() OVER (PARTITION BY A.TABLE_NAME, A.COLUMN_ID
ORDER BY A.COLUMN_ID, B.POSITION) RN
FROM (SELECT COL.TABLE_NAME
,COL.COLUMN_ID
,COL.COLUMN_NAME
,COL.DATA_TYPE
,COL.DATA_LENGTH
,COL.DATA_PRECISION
,COL.DATA_SCALE
,COL.NULLABLE
,COM.COMMENTS
FROM USER_TAB_COLUMNS COL
,USER_COL_COMMENTS COM
WHERE COL.COLUMN_NAME = COM.COLUMN_NAME
AND COL.TABLE_NAME = COM.TABLE_NAME
AND COM.TABLE_NAME LIKE :IN_TABLE_NAME || '%') A
,USER_CONS_COLUMNS B
WHERE B.TABLE_NAME(+) = A.TABLE_NAME
AND B.COLUMN_NAME(+) = A.COLUMN_NAME) X
WHERE X.RN = 1
ORDER BY X.TABLE_NAME, X.COLUMN_ID;
--======================================================================================
--#. 56 특정 테이블의 인덱스 확인
--======================================================================================
/*
인덱스를 확인 하고자 할때 사용하는 쿼리
*/
SELECT C.TABLE_NAME
,C.INDEX_NAME
,C.COLUMN_NAME
,C.COLUMN_POSITION
,T.NUM_ROWS
FROM ALL_IND_COLUMNS C
,(SELECT TABLE_NAME, NUM_ROWS
FROM ALL_TABLES
WHERE OWNER = 'AAA'
AND TABLE_NAME IN (SELECT TABLE_NAME
FROM USER_TABLES
WHERE TABLE_NAME LIKE :IN_TABLE_NAME || '%')
AND NUM_ROWS > 0) T
WHERE C.TABLE_NAME = T.TABLE_NAME
ORDER BY T.NUM_ROWS DESC, C.TABLE_NAME, C.INDEX_NAME, C.COLUMN_POSITION;
--======================================================================================
--#. 57 다중 UPDATE 쿼리
--======================================================================================
/*
BYPASS_UJVC 힌트를 이용하면 특정 뷰를 만들어서 컬럼 대 컬럼을 대입 할 수 있습니다.
아래 쿼리는 메타정보관리용 유저로서 코멘트의 내용 중에서 정규표현식을 이용하여 관련 데이터를 조작 하는 방법 입니다.
*/
UPDATE /*+ BYPASS_UJVC */
( SELECT X.*
,CASE
WHEN UNIT_INSTR > 0 THEN SUBSTR(X.COLUMN_DESC, X.UNIT_INSTR + 3, 1)
END
B_UNIT
FROM (SELECT A.SERVER
,A.OWNER
,A.TABLE_NAME
,A.COLUMN_NAME
,A.COLUMN_DESC
,A.GRP_CD A_GRP_CD
,A.UNIT A_UNIT
,REGEXP_INSTR(COLUMN_DESC, '단위\:') UNIT_INSTR
FROM DBA_MYCOL A
WHERE A.SERVER = :IN_SERVER
AND A.OWNER = :IN_OWNER
AND A.TABLE_NAME = :IN_TABLE_NAME) X)
SET A_UNIT = B_UNIT
UPDATE_DT = SYSDATE;
--======================================================================================
--#. 58 상호 DB간에 컬럼 이름 비교
--======================================================================================
/*
양쪽 DB에서 사용하는 테이블 중에서 컬럼 이름 다른 항목을 찾는다.
*/
SELECT A.TABLE_NAME
,A.COLUMN_NAME
,A.COLUMN_ID
,A.DATA_TYPE || '(' || A.DATA_LENGTH || ')' DATA_TYPE
FROM USER_TAB_COLUMNS@LINK_ESTDB A
WHERE A.TABLE_NAME = :IN_TABLE_NAME
AND NOT EXISTS
(SELECT 'X'
FROM USER_TAB_COLUMNS B
WHERE B.TABLE_NAME = A.TABLE_NAME
AND B.COLUMN_NAME = A.COLUMN_NAME);
SELECT A.TABLE_NAME, A.COLUMN_NAME, A.COLUMN_ID
FROM USER_TAB_COLUMNS@LINK_ESTDB A
WHERE A.TABLE_NAME = :IN_TABLE_NAME
MINUS
SELECT A.TABLE_NAME, A.COLUMN_NAME, A.COLUMN_ID
FROM USER_TAB_COLUMNS A
WHERE A.TABLE_NAME = :IN_TABLE_NAME
--======================================================================================
--#. 59 해당 테이블의 세션을 제거하는 쿼리
--======================================================================================
/*
특정 테이블이 락을 발생하고 있으면 세션을 찾아서 중단시킨다.
*/
SELECT 'ALTER SYSTEM KILL SESSION ''' || S.SID||','||S.SERIAL# ||''';'
FROM V$LOCK L, DBA_OBJECTS O, V$SESSION S
WHERE L.ID1 = O.OBJECT_ID
AND S.SID = L.SID
AND O.OWNER = 'ESTDBA'
AND O.OBJECT_NAME = 'TMP_GSYM2'
--======================================================================================
--#. 60 CPU를 많이 사용하는 세션의 식별(SQL TEXT 조회)
--======================================================================================
SELECT A.*
,(SELECT SS.SQL_TEXT
FROM V$SQLAREA SS
WHERE SS.ADDRESS = A.SQL_ADDRESS
AND ROWNUM <= 1
) AS SQL_TEST
FROM (
SELECT A.SID
,C.SERIAL#
,A.VALUE
,C.USERNAME
,C.STATUS
,C.PROGRAM
,C.SQL_ADDRESS
,ROW_NUMBER() OVER (ORDER BY A.VALUE DESC) RN
FROM V$SESSTAT A
,V$STATNAME B
,V$SESSION C
WHERE A.STATISTIC# = B.STATISTIC#
AND A.SID = C.SID
AND B.NAME = 'CPU used by this session'
AND A.VALUE > 0
AND C.STATUS = 'ACTIVE'
AND C.USERNAME IS NOT NULL
) A
WHERE A.RN <= 10;
--======================================================================================
--#. 61 Blocking Lock Session 확인
--======================================================================================
SELECT B.BLOCKING_SESSION AS BLOCKING_SESSION_SID
,C.SID AS LOCK_SESSION_SID
,C.OWNER AS OBJECT_OWNER
,C.OBJECT AS OBJECT
,B.LOCKWAIT
,A.PIECE
,A.SQL_TEXT AS SQL
FROM V$SQLTEXT A
,V$SESSION B
,V$ACCESS C
WHERE A.ADDRESS = B.SQL_ADDRESS
AND A.HASH_VALUE = B.SQL_HASH_VALUE
AND B.SID = C.SID
AND B.BLOCKING_SESSION IS NOT NULL
AND C.OWNER NOT IN ('SYS', 'PUBLIC')
AND C.OBJECT NOT IN ('TOAD_PLAN_TABLE')
ORDER BY A.PIECE;
--======================================================================================
--#. 62 현재 세션에서 10초이상 걸리는 쿼리 조회 (SELECT절)
--======================================================================================
SELECT ABS(SYSDATE - A.LAST_LOAD_TIME) * 24 * 60 * 60 AS SEC_TIEM, A.*
FROM V$SQLAREA A
,V$SESSION B
WHERE A.SQL_TEXT LIKE '%SELECT%'
AND A.ADDRESS = B.SQL_ADDRESS
AND B.STATUS = 'ACTIVE'
AND A.ELAPSED_TIME >= 10 * 1000000 -- 실행계획에서 10초 이상 걸리는 쿼리를 조회(실제 걸리는 시간은 아님.)
AND A.PARSING_SCHEMA_NAME NOT IN ('SYS', 'SYSTEM', 'SYSMAN')
AND B.USERNAME IS NOT NULL;
--======================================================================================
--#. 63 현재 세션에서 PGA, UGA, CPU 사용량 세션별로 조회하는 쿼리
--======================================================================================
SELECT B.USERNAME
,A.SID
,A.PGA_USAGE
,A.UGA_USAGE
,A.CPU_USAGE_SECONDS
,B.MACHINE
,B.PROGRAM
,B.MODULE
FROM (SELECT B.SID
,MAX(DECODE(C.NAME, 'session pga memory', TRUNC(B.VALUE / 1024 / 1024) || 'MB', 0)) AS PGA_USAGE
,MAX(DECODE(C.NAME, 'session uga memory', TRUNC(B.VALUE / 1024 / 1024) || 'MB', 0)) AS UGA_USAGE
,MAX(DECODE(C.NAME, 'CPU used by this session', (B.VALUE / 100) || ' Sec', 0)) AS CPU_USAGE_SECONDS
FROM V$SESSTAT B
,V$STATNAME C
WHERE B.STATISTIC# = C.STATISTIC#
GROUP BY B.SID) A
,V$SESSION B
WHERE B.SID = A.SID
AND B.STATUS = 'ACTIVE'
AND B.USERNAME IS NOT NULL;
--======================================================================================
--#. 64 현재 인스턴스명, 데이터베이스명, IP 확인 방법
--======================================================================================
데이터베이스 : select name, db_unique_name from v$database;
oracle sid : select instance from v$thread;
DB IP : select utl_inaddr.get_host_address from dual;
본인 IP : select sys_context('USERENV','IP_ADDRESS') FROM dual;
--======================================================================================
--#. 65 수행중인 sql 진행상황 보기
--======================================================================================
select a.message, a.start_time, a.last_update_time, a.time_remaining, ROUND((sofar/totalwork)*100, 0) ||'%' AS progress, b.sql_text
FROM v$SESSION_longops a, v$SQL b
WHERE a.sql_address = b.address
AND ROWNUM <= 10
AND a.time_remaining > 0
--======================================================================================
--#. 66 DB_link 생성
--======================================================================================
CREATE DATABASE LINK DB_TT
CONNECT TO {대상DB 계정id} IDENTIFIED BY "비밀번호"
USING '(DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = 11.22.33.44)(PORT = 3213)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = {SID}}) ) )';
--======================================================================================
--#. 67 bind 변수(variable) 조회
--======================================================================================
SELECT Z.* FROM (
SELECT distinct t.inst_id t_inst_id, b.inst_id b_inst_id, t.sql_id, t.sql_text sql_text, b.NAME bind_name, b.value_string bind_value, was_captured, TO_CHAR(last_captured, 'YYYYMMDD HH:MM:SS') as last_cap
FROM gv$SQL t JOIN gv$sql_bind_capture b ON t.inst_id = b.inst_id AND t.sql_id = b.sql_id
WHERE b.value_string IS NOT NULL
AND t.sql_id = :sql_id
AND last_captured >= TO_DATE('20191007', 'YYYYMMDD')
) Z
WHERE SUBSTR(Z.last_cap, 10, 2) = '10'
ORDER BY last_cap DESC, t_inst_id, bind_name asc
;
--======================================================================================
--#. 68 프로시저(procedure) 조회 및 컴파일
--======================================================================================
SELECT owner, object_type, object_name
FROM dba_objects
where status = 'INVALID' and object_type in ('PROCEDURE','FUNCTION','PACKAGE','PACKAGE BODY','TRIGGER');
dbms_ddl.alter_compile('${object_type}', '${schema_name}', '${object_name}');
select 'dbms_ddl.atler_compile('''||object_type||''','''||owner||''','''||object_name||''');'
FROM dba_objects@xmeta
where 1=1
and owner = 'METAUSER'
and status = 'INVALID' and object_type in ('PROCEDURE','FUNCTION','PACKAGE','PACKAGE BODY','TRIGGER');
--======================================================================================
--#. 69 connection pool(세션 최대 수, max session)
--======================================================================================
-- DB 자체의 허용 session 최대 수
SELECT *
FROM v$parameter
WHERE NAME = 'processes'
;
-- max connect
SELECT current_utilization, limit_value
FROM v$resource_limit
WHERE resource_name = 'connect'
;
SELECT connection_pool, status
FROM dba_cpool_info
;
SELECT *
FROM v$cpool_conn_info
;
SELECT *
FROM v$cpool_stats
;
--======================================================================================
--#. 70 sequence current val 확인
--======================================================================================
SELECT last_number FROM user_sequences WHERE sequence_name = 'WAM_REP_SEQ';
SELECT sequence_name, last_number FROM all_sequences WHERE sequence_owner = 'METAUSER';
--======================================================================================
--#. 71 UNDO 테이블 체크
--======================================================================================
SELECT count(segment_name) as cnt, sum(bytes)/1024/1024 as ext_size, status from dba_undo_extents group by status;
--======================================================================================
--#. 72 비밀번호(패스워드) 기간 확인 및 변경
--======================================================================================
SELECT * FROM dba_profiles WHERE PROFILE='DEFAULT' and resource_name = 'PASSWORD_LIFE_TIME';
alter profile default limit password_life_time unlimited;
alter user 계정명 account unlock;
alter user 계정명 identified by 새비밀번호;
--======================================================================================
--#. 73 파티션(partition) 되어있는 테이블에 인덱스(index) 만들 때 LOCAL로 만들기
--======================================================================================
CREATE INDEX II_03 ON TTT
(
aa,bb,cc
)
TABLESPACE TS_TT
LOCAL
parallel (degree 5)
NOLOGGING -- online option
;
ALTER INDEX II_03 logging noparallel;
--======================================================================================
--#. 74 데이터삽입(insert) 시 병렬처리(parellel)
--======================================================================================
INSERT /*+ APPEND PARALLEL(A 16) */INTO {TABLE_A} A SELECT /*+ FULL(B) PARALLEL(B 16) */* FROM {TABLE_B} B
--======================================================================================
--#. 75 datafile 추가
--======================================================================================
alter tablespace TS_TT add datafile '/imsi/tt2.dbf' size 5G autoextend on next 1G MAXSIZE 30G;
alter tablespace USERS add datafile '/dbdata01/imsi/imsi.dbf' size 2G autoextend on next 1G MAXSIZE 5G;
alter database datafile '/dbdata01/imsi/imsi.dbf' resize 3G;
select file_name, bytes/1024/1024/1024 as gg from dba_temp_files;
alter tablespace TEMP add tempfile '+DG/TDB/TEMPFILE/temp.297' size 10G;
--======================================================================================
--#. 76 인덱스(index) 테이블스페이스 변경
--======================================================================================
alter index CHECK_IDX rebuild
tablespace TS_TT
nologging;
========================================================================================================================================
--======================================================================================
--#. 77 파티션 조회
--======================================================================================
select table_owner, table_name, composite
from dba_tab_partitons
where name like 'O%'
;
select owner, name, column_name, column_position
from dba_part_key_columns
where name like 'O%'
order by name, column_position
;
--======================================================================================
--#. 78 compress 수행
--======================================================================================
alter session enable parallel ddl;
CREATE TABLE TTT(
~~
)
compress for oltp
tablespace TS_TT
parallel (degree 5)
NOLOGGING -- online option
;
CREATE INDEX II_PK ON TTT(aa,bb,cc) LOCAL
compress advanced high
TABLESPACE TS_TT
nologging parallel 16;
ALTER INDEX II_PK logging noparallel;
CREATE UNIQUE INDEX II4 ON TTT(ii,jj) LOCAL
compress advanced high
TABLESPACE TS_TT parallel 16;
ALTER INDEX II4 logging noparallel;
ALTER TABLE TTT ADD CONSTRAINT II_PK PRIMARY KEY(aa,bb,cc) parallel 16 ;
ALTER TABLE TTT logging noparallel;
--======================================================================================
--#. 79 table shrink <- 웬만하면 하지말기. 그리고 move tablespace로 옮겨서 rebuild하는 방향으로 하기
--======================================================================================
alter table TTT enable row movement;
alter table TTT shrink space cascade;
alter table TTT disable row movement;
alter table TTT enable row movement;
alter table TTT shrink space cascade;
alter table TTT disable row movement;
--======================================================================================
--#. 80. move tablespace
--======================================================================================
alter tablespace users offline;
alter index II_PK rebuild tablespace TS_TT;
alter table TTT move tablespace TS_TT;
alter tablespace users online;
========================================================================================================================================
--======================================================================================
--#. 81. lock table
--======================================================================================
lock table TTT in {share|exclusive} mode;
unlock table TTT;
========================================================================================================================================
728x90
'RDBMS > Oracle' 카테고리의 다른 글
| temp tablespace (0) | 2021.01.28 |
|---|---|
| undo tablespace (0) | 2021.01.28 |
| 아카이브 로그(Archive log) 관련 SQL (0) | 2021.01.14 |
| 문자셋(character set) 확인 (0) | 2020.12.18 |
| Gather statistics about objects(통계정보 생성) (0) | 2020.12.18 |