• SqlServer查询表名的备注(查询表名描述 MS_Description)


    查询表名描述 MS_Description

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    SELECT tbs.name 表名,ds.value 描述      
    FROM sys.extended_properties ds 
    LEFT JOIN sysobjects tbs ON ds.major_id=tbs.id 
    WHERE  ds.minor_id=0 and 
    tbs.name='ScheduleRecords';--表名

    添加表的描述

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    EXECUTE sp_addextendedproperty N'MS_Description', N'菜单表', N'user', N'dbo', N'table', N'Menus', NULL, NULL;

    更新表的描述

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    EXECUTE sp_updateextendedproperty N'MS_Description', N'菜单表', N'user', N'dbo', N'table', N'Menus', NULL, NULL;

    查询表的外键

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    SELECT tbs.name 表名,ds.value 描述     
    FROM sys.extended_properties ds 
    LEFT JOIN sysobjects tbs ON ds.major_id=tbs.id 
    WHERE  ds.minor_id=0 and  
    tbs.name='ScheduleRecords';--表名
    WHERE OBJECT_NAME(sysobjects.parent_obj)='Table Name'

    SQL查询表的所有字段的备注说明

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    SELECT
        TableName=CASE WHEN C.column_id=1 THEN O.name ELSE N'' END,
        TableDesc=ISNULL(CASE WHEN C.column_id=1 THEN PTB.[value] END,N''),
        Column_id=C.column_id,
        ColumnName=C.name,
        PrimaryKey=ISNULL(IDX.PrimaryKey,N''),
        [IDENTITY]=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,
        [Default]=ISNULL(D.definition,N''),
        ColumnDesc=ISNULL(PFD.[value],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.[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=N'tablename' -- 如果只查询指定表,加上此条件
    ORDER BY O.name,C.column_id
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  • 原文地址:https://www.cnblogs.com/Nina-piaoye/p/9829507.html
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