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pavel 发表于 2013-2-4 19:46:52

mssql查出数据库表结构

SELECT
    TableName=CASE WHEN C.column_id=1 THEN O.name ELSE N'' END,
    TableDesc=ISNULL(CASE WHEN C.column_id=1 THEN PTB. END,N''),
    Column_id=C.column_id,
    ColumnName=C.name,
    PrimaryKey=ISNULL(IDX.PrimaryKey,N''),
    =CASE WHEN C.is_identity=1 THEN N'√'ELSE N'' END,
    Computed=CASE WHEN C.is_computed=1 THEN N'√'ELSE N'' END,
    Type=T.name,
    Length=C.max_length,
    Precision=C.precision,
    Scale=C.scale,
    NullAble=CASE WHEN C.is_nullable=1 THEN N'√'ELSE N'' END,
    =ISNULL(D.definition,N''),
    ColumnDesc=ISNULL(PFD.,N''),
    IndexName=ISNULL(IDX.IndexName,N''),
    IndexSort=ISNULL(IDX.Sort,N''),
    Create_Date=O.Create_Date,
    Modify_Date=O.Modify_date
FROM sys.columns C
    INNER JOIN sys.objects O
        ON C.=O.
            AND O.type='U'
            AND O.is_ms_shipped=0
    INNER JOIN sys.types T
        ON C.user_type_id=T.user_type_id
    LEFT JOIN sys.default_constraints D
        ON C.=D.parent_object_id
            AND C.column_id=D.parent_column_id
            AND C.default_object_id=D.
    LEFT JOIN sys.extended_properties PFD
        ON PFD.class=1
            AND C.=PFD.major_id
            AND C.column_id=PFD.minor_id
--             AND PFD.name='Caption'  -- 字段说明对应的描述名称(一个字段可以添加多个不同name的描述)
    LEFT JOIN sys.extended_properties PTB
        ON PTB.class=1
            AND PTB.minor_id=0
            AND C.=PTB.major_id
--             AND PFD.name='Caption'  -- 表说明对应的描述名称(一个表可以添加多个不同name的描述)
    LEFT JOIN                       -- 索引及主键信息
    (
        SELECT
            IDXC.,
            IDXC.column_id,
            Sort=CASE INDEXKEY_PROPERTY(IDXC.,IDXC.index_id,IDXC.index_column_id,'IsDescending')
                WHEN 1 THEN 'DESC' WHEN 0 THEN 'ASC' ELSE '' END,
            PrimaryKey=CASE WHEN IDX.is_primary_key=1 THEN N'√'ELSE N'' END,
            IndexName=IDX.Name
        FROM sys.indexes IDX
        INNER JOIN sys.index_columns IDXC
            ON IDX.=IDXC.
                AND IDX.index_id=IDXC.index_id
        LEFT JOIN sys.key_constraints KC
            ON IDX.=KC.
                AND IDX.index_id=KC.unique_index_id
        INNER JOIN  -- 对于一个列包含多个索引的情况,只显示第1个索引信息
        (
            SELECT , Column_id, index_id=MIN(index_id)
            FROM sys.index_columns
            GROUP BY , Column_id
        ) IDXCUQ
            ON IDXC.=IDXCUQ.
                AND IDXC.Column_id=IDXCUQ.Column_id
                AND IDXC.index_id=IDXCUQ.index_id
    ) IDX
        ON C.=IDX.
            AND C.column_id=IDX.column_id
-- WHERE O.name=N'要查询的表'       -- 如果只查询指定表,加上此条件
ORDER BY O.name,C.column_idhttp://cnc.imgcache.qq.com/ac/b.gif

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