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MYSQL ???????

?MYSQL????????????????SQL???????????????????????????

SELECT TABLE_NAME, COLUMN_NAME FROM INFORMATION_SCHEMA.KEY_COLUMN_USAGE
WHERE TABLE_NAME > 'dtproperties'
AND TABLE_NAME = 'YOUR_TABLE_NAME';

?????????????????????????dtproperties ????????????????????????

ORACLE ???????

??ORACLE???????????????????????????????

SELECT A.OWNER, A.TABLE_NAME, B.COLUMN_NAME, C.OWNER, C.TABLE_NAME, D.COLUMN_NAME
FROM USER_CONSTRAINTS A
LEFT JOIN USER_CONS_COLUMNS B ON A.CONSTRAINT_NAME = B.CONSTRAINT_NAME
LEFT JOIN USER_CONSTRAINTS C ON C.R_CONSTRAINT_NAME = A.CONSTRAINT_NAME
LEFT JOIN USER_CONS_COLUMNS D ON C.CONSTRAINT_NAME = D.CONSTRAINT_NAME
WHERE A.CONSTRAINT_TYPE = 'P'
AND A.TABLE_NAME = 'YOUR_TABLE_NAME'
ORDER BY A.TABLE_NAME;

????????????????????????????????????????YOUR_TABLE_NAME ????????????????????????

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