数据字典生成脚本 【转载】

数据字典生成脚本 

SELECT 
    表名=CASE WHEN C.column_id=1 THEN O.name ELSE N'' END, 
    表说明=ISNULL(CASE WHEN C.column_id=1 THEN PTB.[value] END,N''), 
    字段序号=C.column_id, 
    字段名=C.name, 
    主键=ISNULL(IDX.PrimaryKey,N''), 
    标识=CASE WHEN C.is_identity=1 THEN N'√'ELSE N'' END, 
    计算列=CASE WHEN C.is_computed=1 THEN N'√'ELSE N'' END, 
    类型=T.name, 
    长度=C.max_length, 
    精度=C.precision, 
    小数位数=C.scale, 
    允许空=CASE WHEN C.is_nullable=1 THEN N'√'ELSE N'' END, 
    默认值=ISNULL(D.definition,N''), 
    字段说明=ISNULL(PFD.[value],N''), 
    索引名=ISNULL(IDX.IndexName,N''), 
    索引排序=ISNULL(IDX.Sort,N''), 
    创建时间=O.Create_Date, 
    修改时间=O.Modify_date 
FROM sys.columns C 
    INNER JOIN sys.objects O 
        ON C.[object_id]=O.[object_id] 
            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.[object_id]=D.parent_object_id 
            AND C.column_id=D.parent_column_id 
            AND C.default_object_id=D.[object_id] 
LEFT JOIN sys.extended_properties PFD 
        ON PFD.class=1 
            AND C.[object_id]=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.[object_id]=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.[object_id], 
            IDXC.column_id, 
            Sort=CASE INDEXKEY_PROPERTY(IDXC.[object_id],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.[object_id]=IDXC.[object_id] 
                AND IDX.index_id=IDXC.index_id 
        LEFT JOIN sys.key_constraints KC 
            ON IDX.[object_id]=KC.[parent_object_id] 
                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 [object_id], Column_id, index_id=MIN(index_id) 
            FROM sys.index_columns 
            GROUP BY [object_id], Column_id 
        ) IDXCUQ 
            ON IDXC.[object_id]=IDXCUQ.[object_id] 
                AND IDXC.Column_id=IDXCUQ.Column_id 
                AND IDXC.index_id=IDXCUQ.index_id 
    ) IDX 
        ON C.[object_id]=IDX.[object_id] 
            AND C.column_id=IDX.column_id 
-- WHERE O.name like '%name%'
    -- 如果只查询指定表,加上此条件 
ORDER BY O.name,C.column_id