oracle script:查看没有索引的外键

e943xn0x37

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)