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  • Oracle导出数据字典SQL语句

    1、标注外键
    SELECT S.*,
    PK.*,
    CASE
    WHEN PK.COLUMN_POSITION > 0 THEN
    '√'
    ELSE
    ''
    END AS PKYN
    FROM (SELECT A.OWNER,
    A.TABLE_NAME,
    A.COLUMN_NAME,
    A.COLUMN_ID,
    DECODE(A.CHAR_LENGTH,
    0,
    DECODE(A.DATA_SCALE,
    NULL,
    A.DATA_TYPE,
    A.DATA_TYPE || '(' || A.DATA_PRECISION || ',' ||
    A.DATA_SCALE || ')'),
    A.DATA_TYPE || '(' || A.CHAR_LENGTH || ')') AS COLTYPE,
    A.DATA_DEFAULT AS DEFAULTVAL,
    CASE
    WHEN A.NULLABLE = 'Y' THEN
    '√'
    ELSE
    ''
    END AS NULLYN,
    B.COMMENTS AS COMMENTSS
    FROM SYS.ALL_TAB_COLUMNS A, SYS.DBA_COL_COMMENTS B
    WHERE A.OWNER = B.OWNER
    AND A.TABLE_NAME = B.TABLE_NAME
    AND A.COLUMN_NAME = B.COLUMN_NAME
    AND A.OWNER = 'ORDERS'
    AND A.TABLE_NAME = 'T_ORDER') S,
    (SELECT AA.INDEX_OWNER,
    AA.TABLE_NAME,
    AA.COLUMN_POSITION,
    AA.COLUMN_NAME
    FROM ALL_IND_COLUMNS AA, ALL_CONSTRAINTS BB
    WHERE BB.CONSTRAINT_TYPE = 'P'
    AND AA.TABLE_NAME = BB.TABLE_NAME
    AND AA.INDEX_NAME = BB.CONSTRAINT_NAME
    AND AA.INDEX_OWNER=BB.OWNER) PK
    WHERE S.OWNER = PK.INDEX_OWNER(+)
    AND S.TABLE_NAME = PK.TABLE_NAME(+)
    AND S.COLUMN_NAME = PK.COLUMN_NAME(+)
    ORDER BY S.TABLE_NAME, S.COLUMN_ID;

    2、简单
    SELECT COL.TABLE_NAME,
    TT.COMMENTS,
    COL.COLUMN_NAME AS COLUMNNAME,
    CASE
    WHEN PKCOL.COLUMN_POSITION > 0 THEN
    '√'
    ELSE
    ''
    END AS ISPK,
    COL.DATA_TYPE AS TYPENAME,
    COL.DATA_LENGTH 占用字节数,
    COL.DATA_PRECISION AS PRECI,
    COL.DATA_SCALE AS SCALE,
    CASE
    WHEN COL.NULLABLE = 'Y' THEN
    '√'
    ELSE
    ''
    END AS CISNULL,
    COL.DATA_DEFAULT AS DEFAULTVAL,
    CCOM.COMMENTS AS DETEXT
    FROM USER_TAB_COLUMNS COL,
    USER_COL_COMMENTS CCOM,
    (SELECT AA.TABLE_NAME,
    AA.INDEX_NAME,
    AA.COLUMN_NAME,
    AA.COLUMN_POSITION
    FROM USER_IND_COLUMNS AA, USER_CONSTRAINTS BB
    WHERE BB.CONSTRAINT_TYPE = 'P'
    AND AA.TABLE_NAME = BB.TABLE_NAME
    AND AA.INDEX_NAME = BB.CONSTRAINT_NAME) PKCOL,
    USER_TAB_COMMENTS TT
    WHERE COL.TABLE_NAME = CCOM.TABLE_NAME
    AND COL.COLUMN_NAME = CCOM.COLUMN_NAME
    AND COL.TABLE_NAME = TT.TABLE_NAME(+)
    AND COL.COLUMN_NAME = PKCOL.COLUMN_NAME(+)
    AND COL.TABLE_NAME = PKCOL.TABLE_NAME(+)
    ORDER BY COL.TABLE_NAME, COL.COLUMN_ID;

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  • 原文地址:https://www.cnblogs.com/ritchy/p/12219046.html
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