Oracle中检查外键是否有索引的SQL脚本分享

小蚂蚁

COLUMN COLUMNS format a30 word_wrapped 
COLUMN tablename format a15 word_wrapped 
COLUMN constraint_name format a15 word_wrapped 
SELECT TABLE_NAME, 
     CONSTRAINT_NAME, 
     CNAME1 || NVL2(CNAME2, ',' || CNAME2, NULL) || 
     NVL2(CNAME3, ',' || CNAME3, NULL) || 
     NVL2(CNAME4, ',' || CNAME4, NULL) || 
     NVL2(CNAME5, ',' || CNAME5, NULL) || 
     NVL2(CNAME6, ',' || CNAME6, NULL) || 
     NVL2(CNAME7, ',' || CNAME7, NULL) || 
     NVL2(CNAME8, ',' || CNAME8, NULL) COLUMNS 
  FROM (SELECT B.TABLE_NAME, 
         B.CONSTRAINT_NAME, 
         MAX(DECODE(POSITION, 1, COLUMN_NAME, NULL)) CNAME1, 
         MAX(DECODE(POSITION, 2, COLUMN_NAME, NULL)) CNAME2, 
         MAX(DECODE(POSITION, 3, COLUMN_NAME, NULL)) CNAME3, 
         MAX(DECODE(POSITION, 4, COLUMN_NAME, NULL)) CNAME4, 
         MAX(DECODE(POSITION, 5, COLUMN_NAME, NULL)) CNAME5, 
         MAX(DECODE(POSITION, 6, COLUMN_NAME, NULL)) CNAME6, 
         MAX(DECODE(POSITION, 7, COLUMN_NAME, NULL)) CNAME7, 
         MAX(DECODE(POSITION, 8, COLUMN_NAME, NULL)) CNAME8, 
         COUNT(*) COL_CNT 
      FROM (SELECT SUBSTR(TABLE_NAME, 1, 30) TABLE_NAME, 
             SUBSTR(CONSTRAINT_NAME, 1, 30) CONSTRAINT_NAME, 
             SUBSTR(COLUMN_NAME, 1, 30) COLUMN_NAME, 
             POSITION 
          FROM USER_CONS_COLUMNS) A, 
         USER_CONSTRAINTS B 
     WHERE A.CONSTRAINT_NAME = B.CONSTRAINT_NAME 
       AND B.CONSTRAINT_TYPE = 'R' 
     GROUP BY B.TABLE_NAME, B.CONSTRAINT_NAME) CONS 
 WHERE COL_CNT > ALL 
 (SELECT COUNT(*) 
      FROM USER_IND_COLUMNS I 
     WHERE I.TABLE_NAME = CONS.TABLE_NAME 
       AND I.COLUMN_NAME IN (CNAME1, CNAME2, CNAME3, CNAME4, CNAME5, 
        CNAME6, CNAME7, CNAME8) 
       AND I.COLUMN_POSITION <= CONS.COL_CNT 
     GROUP BY I.INDEX_NAME) 
/

在上面的基础上修改了一下，可以检查所有的用户。

SET linesize 400;
COLUMN OWNER format a10 word_wrapped 
COLUMN COLUMNS format a30 word_wrapped 
COLUMN TABLE_NAME format a15 word_wrapped 
COLUMN CONSTRAINT_NAME format a40 word_wrapped 
SELECT OWNER,
   TABLE_NAME, 
     CONSTRAINT_NAME, 
     CNAME1 || NVL2(CNAME2, ',' || CNAME2, NULL) || 
     NVL2(CNAME3, ',' || CNAME3, NULL) || 
     NVL2(CNAME4, ',' || CNAME4, NULL) || 
     NVL2(CNAME5, ',' || CNAME5, NULL) || 
     NVL2(CNAME6, ',' || CNAME6, NULL) || 
     NVL2(CNAME7, ',' || CNAME7, NULL) || 
     NVL2(CNAME8, ',' || CNAME8, NULL) COLUMNS 
  FROM (SELECT B.OWNER,B.TABLE_NAME, 
         B.CONSTRAINT_NAME, 
         MAX(DECODE(POSITION, 1, COLUMN_NAME, NULL)) CNAME1, 
         MAX(DECODE(POSITION, 2, COLUMN_NAME, NULL)) CNAME2, 
         MAX(DECODE(POSITION, 3, COLUMN_NAME, NULL)) CNAME3, 
         MAX(DECODE(POSITION, 4, COLUMN_NAME, NULL)) CNAME4, 
         MAX(DECODE(POSITION, 5, COLUMN_NAME, NULL)) CNAME5, 
         MAX(DECODE(POSITION, 6, COLUMN_NAME, NULL)) CNAME6, 
         MAX(DECODE(POSITION, 7, COLUMN_NAME, NULL)) CNAME7, 
         MAX(DECODE(POSITION, 8, COLUMN_NAME, NULL)) CNAME8, 
         COUNT(*) COL_CNT 
      FROM (SELECT SUBSTR(TABLE_NAME, 1, 30) TABLE_NAME, 
             SUBSTR(CONSTRAINT_NAME, 1, 30) CONSTRAINT_NAME, 
             SUBSTR(COLUMN_NAME, 1, 30) COLUMN_NAME, 
             POSITION 
          FROM DBA_CONS_COLUMNS WHERE OWNER NOT IN ('SYS','SYSTEM','SYSMAN','HR','OE','EXFSYS','DBSNMP','MDSYS','OLAPSYS','SCOTT','EXFSYS','SH','PM','CTXSYS')) A, 
         DBA_CONSTRAINTS B 
     WHERE A.CONSTRAINT_NAME = B.CONSTRAINT_NAME 
       AND B.CONSTRAINT_TYPE = 'R' 
     GROUP BY B.OWNER,B.TABLE_NAME, B.CONSTRAINT_NAME) CONS 
 WHERE COL_CNT > ALL 
 (SELECT COUNT(*) 
      FROM DBA_IND_COLUMNS I 
     WHERE I.TABLE_NAME = CONS.TABLE_NAME AND I.TABLE_OWNER=CONS.OWNER
       AND I.COLUMN_NAME IN (CNAME1, CNAME2, CNAME3, CNAME4, CNAME5, 
        CNAME6, CNAME7, CNAME8) 
       AND I.COLUMN_POSITION <= CONS.COL_CNT 
     GROUP BY I.INDEX_NAME) 
/