获取、增加、修改、删除sqlserver字段描述

先看添加与删除字段描述

EXEC sys.sp_addextendedproperty @name = N'MS_Description',

    --添加Type字段说明

 @value = N'屏蔽类型对应值(类型对应Id)',

     @level0type = N'SCHEMA',

     @level0name = N'dbo',

     @level1type = N'TABLE',

     @level1name = N'ForbiddenType',

     @level2type = N'COLUMN',

     @level2name = N'TypeId' 

  --删除表中列Type的描述属性：

EXEC sp_dropextendedproperty 'MS_Description',

     'SCHEMA',

     dbo,

     'TABLE',

     'ForbiddenType',

     'COLUMN',

     TYPE

看下面的实例：

--创建表及描述信息 

create table 表(a1 varchar(),a2 char()) 

--为表添加描述信息

EXECUTE sp_addextendedproperty N'MS_Description', '人员信息表', N'user', N'dbo', N'table', N'表', NULL, NULL

EXEC sys.sp_addextendedproperty @name=N'MS_Description', @value=N'生成记录表' , @level0type=N'SCHEMA',@level0name=N'dbo', @level1type=N'TABLE',@level1name=N'CrabRequisition'
GO


--为字段a1添加描述信息

EXECUTE sp_addextendedproperty N'MS_Description', '姓名', N'user', N'dbo', N'table', N'表', N'column', N'a1'

EXECUTE sp_addextendedproperty N'MS_Description', '测试', N'user', N'dbo', N'table', N'HR_Employees', N'column', N'test' 

--为字段a2添加描述信息

EXECUTE sp_addextendedproperty N'MS_Description', '性别', N'user', N'dbo', N'table', N'表', N'column', N'a2'

--更新表中列a1的描述属性：

EXEC sp_updateextendedproperty 'MS_Description','字段1','user',dbo,'table','表','column',a1 

--删除表中列a1的描述属性：

EXEC sp_dropextendedproperty 'MS_Description','user',dbo,'table','表','column',a1

--表描述

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 =

AND tbs.name = 'Warrant_BaseInfo';--表名

--快速查看表结构

SELECT

    CASE

        WHEN col.colorder =  THEN obj.name

        ELSE ''

    END AS 表名

   ,col.colorder AS 序号

   ,col.name AS 列名

   ,ISNULL(ep.[value], '') AS 列说明

   ,t.name AS 数据类型

   ,col.length AS 长度

   ,ISNULL(COLUMNPROPERTY(col.id, col.name, 'Scale'), ) AS 小数位数

   ,CASE

        WHEN COLUMNPROPERTY(col.id, col.name, 'IsIdentity') =  THEN '√'

        ELSE ''

    END AS 标识

   ,CASE

        WHEN EXISTS (SELECT

                FROM dbo.sysindexes si

                INNER JOIN dbo.sysindexkeys sik

                    ON si.id = sik.id

                    AND si.indid = sik.indid

                INNER JOIN dbo.syscolumns sc

                    ON sc.id = sik.id

                    AND sc.colid = sik.colid

                INNER JOIN dbo.sysobjects so

                    ON so.name = si.name

                    AND so.xtype = 'PK'

                WHERE sc.id = col.id

                AND sc.colid = col.colid) THEN '√'

        ELSE ''

    END AS 主键

   ,CASE

        WHEN col.isnullable =  THEN '√'

        ELSE ''

    END AS 允许空

   ,ISNULL(comm.text, '') AS 默认值

FROM dbo.syscolumns col

LEFT JOIN dbo.systypes t

    ON col.xtype = t.xusertype

INNER JOIN dbo.sysobjects obj

    ON col.id = obj.id

        AND obj.xtype = 'U'

        AND obj.status >=

LEFT JOIN dbo.syscomments comm

    ON col.cdefault = comm.id

LEFT JOIN sys.extended_properties ep

    ON col.id = ep.major_id

        AND col.colid = ep.minor_id

        AND ep.name = 'MS_Description'

LEFT JOIN sys.extended_properties epTwo

    ON obj.id = epTwo.major_id

        AND epTwo.minor_id =

        AND epTwo.name = 'MS_Description'

WHERE obj.name = 'Ath_LoanApply_tbl'--表名

ORDER BY col.colorder;

IF (( SELECT

        COUNT(*)

    FROM fn_listextendedproperty('MS_Description',

    'SCHEMA', N'dbo',

    'TABLE', N'Fct_Order',

    'COLUMN', N'Carrier'))

> ) EXEC sp_updateextendedproperty    @name = N'MS_Description',

                                    @value = N'承运商',

                                    @level0type = 'SCHEMA',

                                    @level0name = N'dbo',

                                    @level1type = 'TABLE',

                                    @level1name = N'Fct_Order',

                                    @level2type = 'COLUMN',

                                    @level2name = N'Carrier' ELSE EXEC sp_addextendedproperty    @name = N'MS_Description',

                                                                                                @value = N'承运商',

                                                                                                @level0type = 'SCHEMA',

                                                                                                @level0name = N'dbo',

                                                                                                @level1type = 'TABLE',

                                                                                                @level1name = N'Fct_Order',

                                                                                                @level2type = 'COLUMN',

                                                                                                @level2name = N'Carrier'

GO

PrePackage_Header

IF NOT EXISTS ( SELECT  NULL

                FROM    dbo.sysobjects

                WHERE   id = OBJECT_ID(N'[PrePackage_Header]')

                        AND OBJECTPROPERTY(id, 'IsTable') = 1 )

    BEGIN

        CREATE TABLE PrePackage_Header

            (

              PrePackagedId [UNIQUEIDENTIFIER] NOT NULL ,

              WarehouseId [UNIQUEIDENTIFIER] NOT NULL ,

              PrePackagedCodeNumber [VARCHAR](50) NOT NULL ,

              PrePackagedBarCodeNumber [VARCHAR](50) NOT NULL ,

              PrePackagedName [VARCHAR](50) NOT NULL ,

              Disabled INT

                NOT NULL

                CONSTRAINT [DF_PrePackage_Header_Disabled] DEFAULT ( (0) ) ,

              Rec_CreateTime DATETIME

                NULL

                CONSTRAINT [DF_PrePackage_Header_Rec_CreateTime]

                DEFAULT ( GETDATE() ) ,

              Rec_CreateBy [VARCHAR](50) NULL ,

              Rec_ModifyTime [DATETIME] NULL ,

              Rec_ModifyBy [VARCHAR](50) NULL ,

              CONSTRAINT [PK_PrePackage_Header] PRIMARY KEY CLUSTERED

                ( PrePackagedId ASC )

                WITH ( PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF,

                       IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON,

                       ALLOW_PAGE_LOCKS = ON ) ON [PRIMARY]

            )

        ON  [PRIMARY];

        EXEC sys.sp_addextendedproperty @name = N'MS_Description',

            @value = N'预包装管理Id', @level0type = N'SCHEMA', @level0name = N'dbo',

            @level1type = N'TABLE', @level1name = N'PrePackage_Header',

            @level2type = N'COLUMN', @level2name = N'PrePackagedId';

        EXEC sys.sp_addextendedproperty @name = N'MS_Description',

            @value = N'仓库Id', @level0type = N'SCHEMA', @level0name = N'dbo',

            @level1type = N'TABLE', @level1name = N'PrePackage_Header',

            @level2type = N'COLUMN', @level2name = N'WarehouseId';

        EXEC sys.sp_addextendedproperty @name = N'MS_Description',

            @value = N'预包装编码', @level0type = N'SCHEMA', @level0name = N'dbo',

            @level1type = N'TABLE', @level1name = N'PrePackage_Header',

            @level2type = N'COLUMN', @level2name = N'PrePackagedCodeNumber';

        EXEC sys.sp_addextendedproperty @name = N'MS_Description',

            @value = N'预包装条码', @level0type = N'SCHEMA', @level0name = N'dbo',

            @level1type = N'TABLE', @level1name = N'PrePackage_Header',

            @level2type = N'COLUMN', @level2name = N'PrePackagedBarCodeNumber';

        EXEC sys.sp_addextendedproperty @name = N'MS_Description',

            @value = N'预包装名称', @level0type = N'SCHEMA', @level0name = N'dbo',

            @level1type = N'TABLE', @level1name = N'PrePackage_Header',

            @level2type = N'COLUMN', @level2name = N'PrePackagedName';

        EXEC sys.sp_addextendedproperty @name = N'MS_Description',

            @value = N'是否禁用', @level0type = N'SCHEMA', @level0name = N'dbo',

            @level1type = N'TABLE', @level1name = N'PrePackage_Header',

            @level2type = N'COLUMN', @level2name = N'Disabled';

        EXEC sys.sp_addextendedproperty @name = N'MS_Description',

            @value = N'创建时间', @level0type = N'SCHEMA', @level0name = N'dbo',

            @level1type = N'TABLE', @level1name = N'PrePackage_Header',

            @level2type = N'COLUMN', @level2name = N'Rec_CreateTime';

        EXEC sys.sp_addextendedproperty @name = N'MS_Description',

            @value = N'创建人', @level0type = N'SCHEMA', @level0name = N'dbo',

            @level1type = N'TABLE', @level1name = N'PrePackage_Header',

            @level2type = N'COLUMN', @level2name = N'Rec_CreateBy';

        EXEC sys.sp_addextendedproperty @name = N'MS_Description',

            @value = N'修改时间', @level0type = N'SCHEMA', @level0name = N'dbo',

            @level1type = N'TABLE', @level1name = N'PrePackage_Header',

            @level2type = N'COLUMN', @level2name = N'Rec_ModifyTime';

        EXEC sys.sp_addextendedproperty @name = N'MS_Description',

            @value = N'修改人', @level0type = N'SCHEMA', @level0name = N'dbo',

            @level1type = N'TABLE', @level1name = N'PrePackage_Header',

            @level2type = N'COLUMN', @level2name = N'Rec_ModifyBy';

        EXEC sys.sp_addextendedproperty @name = N'MS_Description',

            @value = N'预包装管理主表', @level0type = N'SCHEMA', @level0name = N'dbo',

            @level1type = N'TABLE', @level1name = N'PrePackage_Header';

    END;

GO

PrePackage_Detail

IF NOT EXISTS ( SELECT  NULL

                FROM    dbo.sysobjects

                WHERE   id = OBJECT_ID(N'[PrePackage_Detail]')

                        AND OBJECTPROPERTY(id, 'IsTable') = 1 )

    BEGIN

        CREATE TABLE PrePackage_Detail

            (

              PrePackage_DetailId [UNIQUEIDENTIFIER] NOT NULL ,

              PrePackagedId [UNIQUEIDENTIFIER] NOT NULL ,

              GoodsId [UNIQUEIDENTIFIER] NULL ,

              GoodsCode [VARCHAR](50) NULL ,

              Qunatity DECIMAL(18, 2) NOT NULL ,

              Disabled INT

                NOT NULL

                CONSTRAINT [DF_PrePackage_Detail_Disabled] DEFAULT ( (0) ) ,

              Rec_CreateTime DATETIME

                NULL

                CONSTRAINT [DF_PrePackage_Detail_Rec_CreateTime]

                DEFAULT ( GETDATE() ) ,

              Rec_CreateBy [VARCHAR](50) NULL ,

              Rec_ModifyTime [DATETIME] NULL ,

              Rec_ModifyBy [VARCHAR](50) NULL ,

              CONSTRAINT [PK_PrePackage_Detail] PRIMARY KEY CLUSTERED

                ( PrePackage_DetailId ASC )

                WITH ( PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF,

                       IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON,

                       ALLOW_PAGE_LOCKS = ON ) ON [PRIMARY]

            )

        ON  [PRIMARY];

        EXEC sys.sp_addextendedproperty @name = N'MS_Description',

            @value = N'预包装明细Id', @level0type = N'SCHEMA', @level0name = N'dbo',

            @level1type = N'TABLE', @level1name = N'PrePackage_Detail',

            @level2type = N'COLUMN', @level2name = N'PrePackage_DetailId';

        EXEC sys.sp_addextendedproperty @name = N'MS_Description',

            @value = N'货品编码', @level0type = N'SCHEMA', @level0name = N'dbo',

            @level1type = N'TABLE', @level1name = N'PrePackage_Detail',

            @level2type = N'COLUMN', @level2name = N'GoodsCode';

        EXEC sys.sp_addextendedproperty @name = N'MS_Description',

            @value = N'货品Id', @level0type = N'SCHEMA', @level0name = N'dbo',

            @level1type = N'TABLE', @level1name = N'PrePackage_Detail',

            @level2type = N'COLUMN', @level2name = N'GoodsId';

        EXEC sys.sp_addextendedproperty @name = N'MS_Description',

            @value = N'数量', @level0type = N'SCHEMA', @level0name = N'dbo',

            @level1type = N'TABLE', @level1name = N'PrePackage_Detail',

            @level2type = N'COLUMN', @level2name = N'Qunatity';

        EXEC sys.sp_addextendedproperty @name = N'MS_Description',

            @value = N'是否删除', @level0type = N'SCHEMA', @level0name = N'dbo',

            @level1type = N'TABLE', @level1name = N'PrePackage_Detail',

            @level2type = N'COLUMN', @level2name = N'Disabled';

        EXEC sys.sp_addextendedproperty @name = N'MS_Description',

            @value = N'创建时间', @level0type = N'SCHEMA', @level0name = N'dbo',

            @level1type = N'TABLE', @level1name = N'PrePackage_Detail',

            @level2type = N'COLUMN', @level2name = N'Rec_CreateTime';

        EXEC sys.sp_addextendedproperty @name = N'MS_Description',

            @value = N'创建人', @level0type = N'SCHEMA', @level0name = N'dbo',

            @level1type = N'TABLE', @level1name = N'PrePackage_Detail',

            @level2type = N'COLUMN', @level2name = N'Rec_CreateBy';

        EXEC sys.sp_addextendedproperty @name = N'MS_Description',

            @value = N'修改时间', @level0type = N'SCHEMA', @level0name = N'dbo',

            @level1type = N'TABLE', @level1name = N'PrePackage_Detail',

            @level2type = N'COLUMN', @level2name = N'Rec_ModifyTime';

        EXEC sys.sp_addextendedproperty @name = N'MS_Description',

            @value = N'修改人', @level0type = N'SCHEMA', @level0name = N'dbo',

            @level1type = N'TABLE', @level1name = N'PrePackage_Detail',

            @level2type = N'COLUMN', @level2name = N'Rec_ModifyBy';

        EXEC sys.sp_addextendedproperty @name = N'MS_Description',

            @value = N'预包装明细', @level0type = N'SCHEMA', @level0name = N'dbo',

            @level1type = N'TABLE', @level1name = N'PrePackage_Detail';

    END;

GO

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获取、增加、修改、删除sqlserver字段描述

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