先看添加与删除字段描述

  1. EXEC sys.sp_addextendedproperty @name = N'MS_Description',
  2.     --添加Type字段说明
  3.  @value = N'屏蔽类型对应值(类型对应Id)',
  4.      @level0type = N'SCHEMA',
  5.      @level0name = N'dbo',
  6.      @level1type = N'TABLE',
  7.      @level1name = N'ForbiddenType',
  8.      @level2type = N'COLUMN',
  9.      @level2name = N'TypeId' 
  10.  
  11.   --删除表中列Type的描述属性：
  12. EXEC sp_dropextendedproperty 'MS_Description',
  13.      'SCHEMA',
  14.      dbo,
  15.      'TABLE',
  16.      'ForbiddenType',
  17.      'COLUMN',
  18.      TYPE

看下面的实例：

  1. --创建表及描述信息 
  2.  
  3. create table 表(a1 varchar(),a2 char()) 
  4.  
  5. --为表添加描述信息
  6. 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

  1.  
  2. --为字段a1添加描述信息
  3. EXECUTE sp_addextendedproperty N'MS_Description', '姓名', N'user', N'dbo', N'table', N'表', N'column', N'a1'
  4.  
  5. EXECUTE sp_addextendedproperty N'MS_Description', '测试', N'user', N'dbo', N'table', N'HR_Employees', N'column', N'test' 
  6.  
  7. --为字段a2添加描述信息
  8. EXECUTE sp_addextendedproperty N'MS_Description', '性别', N'user', N'dbo', N'table', N'表', N'column', N'a2'
  9. --更新表中列a1的描述属性：
  10. EXEC sp_updateextendedproperty 'MS_Description','字段1','user',dbo,'table','表','column',a1 
  11.  
  12. --删除表中列a1的描述属性：
  13. EXEC sp_dropextendedproperty 'MS_Description','user',dbo,'table','表','column',a1 
  1. --表描述
  2. SELECT
  3.     tbs.name 表名
  4.    ,ds.value 描述
  5. FROM sys.extended_properties ds
  6. LEFT JOIN sysobjects tbs
  7.     ON ds.major_id = tbs.id
  8. WHERE ds.minor_id =
  9. AND tbs.name = 'Warrant_BaseInfo';--表名
  1. --快速查看表结构
  2. SELECT
  3.     CASE
  4.         WHEN col.colorder =  THEN obj.name
  5.         ELSE ''
  6.     END AS 表名
  7.    ,col.colorder AS 序号
  8.    ,col.name AS 列名
  9.    ,ISNULL(ep.[value], '') AS 列说明
  10.    ,t.name AS 数据类型
  11.    ,col.length AS 长度
  12.    ,ISNULL(COLUMNPROPERTY(col.id, col.name, 'Scale'), ) AS 小数位数
  13.    ,CASE
  14.         WHEN COLUMNPROPERTY(col.id, col.name, 'IsIdentity') =  THEN '√'
  15.         ELSE ''
  16.     END AS 标识
  17.    ,CASE
  18.         WHEN EXISTS (SELECT
  19.  
  20.                 FROM dbo.sysindexes si
  21.                 INNER JOIN dbo.sysindexkeys sik
  22.                     ON si.id = sik.id
  23.                     AND si.indid = sik.indid
  24.                 INNER JOIN dbo.syscolumns sc
  25.                     ON sc.id = sik.id
  26.                     AND sc.colid = sik.colid
  27.                 INNER JOIN dbo.sysobjects so
  28.                     ON so.name = si.name
  29.                     AND so.xtype = 'PK'
  30.                 WHERE sc.id = col.id
  31.                 AND sc.colid = col.colid) THEN '√'
  32.         ELSE ''
  33.     END AS 主键
  34.    ,CASE
  35.         WHEN col.isnullable =  THEN '√'
  36.         ELSE ''
  37.     END AS 允许空
  38.    ,ISNULL(comm.text, '') AS 默认值
  39. FROM dbo.syscolumns col
  40. LEFT JOIN dbo.systypes t
  41.     ON col.xtype = t.xusertype
  42. INNER JOIN dbo.sysobjects obj
  43.     ON col.id = obj.id
  44.         AND obj.xtype = 'U'
  45.         AND obj.status >=
  46. LEFT JOIN dbo.syscomments comm
  47.     ON col.cdefault = comm.id
  48. LEFT JOIN sys.extended_properties ep
  49.     ON col.id = ep.major_id
  50.         AND col.colid = ep.minor_id
  51.         AND ep.name = 'MS_Description'
  52. LEFT JOIN sys.extended_properties epTwo
  53.     ON obj.id = epTwo.major_id
  54.         AND epTwo.minor_id =
  55.         AND epTwo.name = 'MS_Description'
  56. WHERE obj.name = 'Ath_LoanApply_tbl'--表名
  57. ORDER BY col.colorder;  
  1. IF (( SELECT
  2.         COUNT(*)
  3.     FROM fn_listextendedproperty('MS_Description',
  4.     'SCHEMA', N'dbo',
  5.     'TABLE', N'Fct_Order',
  6.     'COLUMN', N'Carrier'))
  7. > ) EXEC sp_updateextendedproperty    @name = N'MS_Description',
  8.                                     @value = N'承运商',
  9.                                     @level0type = 'SCHEMA',
  10.                                     @level0name = N'dbo',
  11.                                     @level1type = 'TABLE',
  12.                                     @level1name = N'Fct_Order',
  13.                                     @level2type = 'COLUMN',
  14.                                     @level2name = N'Carrier' ELSE EXEC sp_addextendedproperty    @name = N'MS_Description',
  15.                                                                                                 @value = N'承运商',
  16.                                                                                                 @level0type = 'SCHEMA',
  17.                                                                                                 @level0name = N'dbo',
  18.                                                                                                 @level1type = 'TABLE',
  19.                                                                                                 @level1name = N'Fct_Order',
  20.                                                                                                 @level2type = 'COLUMN',
  21.                                                                                                 @level2name = N'Carrier'
  22. GO
  1. PrePackage_Header
  2. IF NOT EXISTS ( SELECT  NULL
  3.                 FROM    dbo.sysobjects
  4.                 WHERE   id = OBJECT_ID(N'[PrePackage_Header]')
  5.                         AND OBJECTPROPERTY(id, 'IsTable') = 1 )
  6.     BEGIN
  7.         CREATE TABLE PrePackage_Header
  8.             (
  9.               PrePackagedId [UNIQUEIDENTIFIER] NOT NULL ,
  10.               WarehouseId [UNIQUEIDENTIFIER] NOT NULL ,
  11.               PrePackagedCodeNumber [VARCHAR](50) NOT NULL ,
  12.               PrePackagedBarCodeNumber [VARCHAR](50) NOT NULL ,
  13.               PrePackagedName [VARCHAR](50) NOT NULL ,
  14.               Disabled INT
  15.                 NOT NULL
  16.                 CONSTRAINT [DF_PrePackage_Header_Disabled] DEFAULT ( (0) ) ,
  17.               Rec_CreateTime DATETIME
  18.                 NULL
  19.                 CONSTRAINT [DF_PrePackage_Header_Rec_CreateTime]
  20.                 DEFAULT ( GETDATE() ) ,
  21.               Rec_CreateBy [VARCHAR](50) NULL ,
  22.               Rec_ModifyTime [DATETIME] NULL ,
  23.               Rec_ModifyBy [VARCHAR](50) NULL ,
  24.               CONSTRAINT [PK_PrePackage_Header] PRIMARY KEY CLUSTERED
  25.                 ( PrePackagedId ASC )
  26.                 WITH ( PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF,
  27.                        IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON,
  28.                        ALLOW_PAGE_LOCKS = ON ) ON [PRIMARY]
  29.             )
  30.         ON  [PRIMARY];
  31.  
  32.         EXEC sys.sp_addextendedproperty @name = N'MS_Description',
  33.             @value = N'预包装管理Id', @level0type = N'SCHEMA', @level0name = N'dbo',
  34.             @level1type = N'TABLE', @level1name = N'PrePackage_Header',
  35.             @level2type = N'COLUMN', @level2name = N'PrePackagedId';
  36.  
  37.         EXEC sys.sp_addextendedproperty @name = N'MS_Description',
  38.             @value = N'仓库Id', @level0type = N'SCHEMA', @level0name = N'dbo',
  39.             @level1type = N'TABLE', @level1name = N'PrePackage_Header',
  40.             @level2type = N'COLUMN', @level2name = N'WarehouseId';
  41.  
  42.         EXEC sys.sp_addextendedproperty @name = N'MS_Description',
  43.             @value = N'预包装编码', @level0type = N'SCHEMA', @level0name = N'dbo',
  44.             @level1type = N'TABLE', @level1name = N'PrePackage_Header',
  45.             @level2type = N'COLUMN', @level2name = N'PrePackagedCodeNumber';
  46.  
  47.         EXEC sys.sp_addextendedproperty @name = N'MS_Description',
  48.             @value = N'预包装条码', @level0type = N'SCHEMA', @level0name = N'dbo',
  49.             @level1type = N'TABLE', @level1name = N'PrePackage_Header',
  50.             @level2type = N'COLUMN', @level2name = N'PrePackagedBarCodeNumber';
  51.  
  52.         EXEC sys.sp_addextendedproperty @name = N'MS_Description',
  53.             @value = N'预包装名称', @level0type = N'SCHEMA', @level0name = N'dbo',
  54.             @level1type = N'TABLE', @level1name = N'PrePackage_Header',
  55.             @level2type = N'COLUMN', @level2name = N'PrePackagedName';
  56.  
  57.         EXEC sys.sp_addextendedproperty @name = N'MS_Description',
  58.             @value = N'是否禁用', @level0type = N'SCHEMA', @level0name = N'dbo',
  59.             @level1type = N'TABLE', @level1name = N'PrePackage_Header',
  60.             @level2type = N'COLUMN', @level2name = N'Disabled';
  61.  
  62.         EXEC sys.sp_addextendedproperty @name = N'MS_Description',
  63.             @value = N'创建时间', @level0type = N'SCHEMA', @level0name = N'dbo',
  64.             @level1type = N'TABLE', @level1name = N'PrePackage_Header',
  65.             @level2type = N'COLUMN', @level2name = N'Rec_CreateTime';
  66.  
  67.         EXEC sys.sp_addextendedproperty @name = N'MS_Description',
  68.             @value = N'创建人', @level0type = N'SCHEMA', @level0name = N'dbo',
  69.             @level1type = N'TABLE', @level1name = N'PrePackage_Header',
  70.             @level2type = N'COLUMN', @level2name = N'Rec_CreateBy';
  71.  
  72.         EXEC sys.sp_addextendedproperty @name = N'MS_Description',
  73.             @value = N'修改时间', @level0type = N'SCHEMA', @level0name = N'dbo',
  74.             @level1type = N'TABLE', @level1name = N'PrePackage_Header',
  75.             @level2type = N'COLUMN', @level2name = N'Rec_ModifyTime';
  76.  
  77.         EXEC sys.sp_addextendedproperty @name = N'MS_Description',
  78.             @value = N'修改人', @level0type = N'SCHEMA', @level0name = N'dbo',
  79.             @level1type = N'TABLE', @level1name = N'PrePackage_Header',
  80.             @level2type = N'COLUMN', @level2name = N'Rec_ModifyBy';
  81.  
  82.         EXEC sys.sp_addextendedproperty @name = N'MS_Description',
  83.             @value = N'预包装管理主表', @level0type = N'SCHEMA', @level0name = N'dbo',
  84.             @level1type = N'TABLE', @level1name = N'PrePackage_Header';
  85.  
  86.     END;
  87. GO
  88.  
  89. PrePackage_Detail
  90. IF NOT EXISTS ( SELECT  NULL
  91.                 FROM    dbo.sysobjects
  92.                 WHERE   id = OBJECT_ID(N'[PrePackage_Detail]')
  93.                         AND OBJECTPROPERTY(id, 'IsTable') = 1 )
  94.     BEGIN
  95.         CREATE TABLE PrePackage_Detail
  96.             (
  97.               PrePackage_DetailId [UNIQUEIDENTIFIER] NOT NULL ,
  98.               PrePackagedId [UNIQUEIDENTIFIER] NOT NULL ,
  99.               GoodsId [UNIQUEIDENTIFIER] NULL ,
  100.               GoodsCode [VARCHAR](50) NULL ,
  101.               Qunatity DECIMAL(18, 2) NOT NULL ,
  102.               Disabled INT
  103.                 NOT NULL
  104.                 CONSTRAINT [DF_PrePackage_Detail_Disabled] DEFAULT ( (0) ) ,
  105.               Rec_CreateTime DATETIME
  106.                 NULL
  107.                 CONSTRAINT [DF_PrePackage_Detail_Rec_CreateTime]
  108.                 DEFAULT ( GETDATE() ) ,
  109.               Rec_CreateBy [VARCHAR](50) NULL ,
  110.               Rec_ModifyTime [DATETIME] NULL ,
  111.               Rec_ModifyBy [VARCHAR](50) NULL ,
  112.               CONSTRAINT [PK_PrePackage_Detail] PRIMARY KEY CLUSTERED
  113.                 ( PrePackage_DetailId ASC )
  114.                 WITH ( PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF,
  115.                        IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON,
  116.                        ALLOW_PAGE_LOCKS = ON ) ON [PRIMARY]
  117.             )
  118.         ON  [PRIMARY];
  119.  
  120.         EXEC sys.sp_addextendedproperty @name = N'MS_Description',
  121.             @value = N'预包装明细Id', @level0type = N'SCHEMA', @level0name = N'dbo',
  122.             @level1type = N'TABLE', @level1name = N'PrePackage_Detail',
  123.             @level2type = N'COLUMN', @level2name = N'PrePackage_DetailId';
  124.  
  125.         EXEC sys.sp_addextendedproperty @name = N'MS_Description',
  126.             @value = N'货品编码', @level0type = N'SCHEMA', @level0name = N'dbo',
  127.             @level1type = N'TABLE', @level1name = N'PrePackage_Detail',
  128.             @level2type = N'COLUMN', @level2name = N'GoodsCode';
  129.  
  130.         EXEC sys.sp_addextendedproperty @name = N'MS_Description',
  131.             @value = N'货品Id', @level0type = N'SCHEMA', @level0name = N'dbo',
  132.             @level1type = N'TABLE', @level1name = N'PrePackage_Detail',
  133.             @level2type = N'COLUMN', @level2name = N'GoodsId';
  134.  
  135.         EXEC sys.sp_addextendedproperty @name = N'MS_Description',
  136.             @value = N'数量', @level0type = N'SCHEMA', @level0name = N'dbo',
  137.             @level1type = N'TABLE', @level1name = N'PrePackage_Detail',
  138.             @level2type = N'COLUMN', @level2name = N'Qunatity';
  139.  
  140.         EXEC sys.sp_addextendedproperty @name = N'MS_Description',
  141.             @value = N'是否删除', @level0type = N'SCHEMA', @level0name = N'dbo',
  142.             @level1type = N'TABLE', @level1name = N'PrePackage_Detail',
  143.             @level2type = N'COLUMN', @level2name = N'Disabled';
  144.  
  145.         EXEC sys.sp_addextendedproperty @name = N'MS_Description',
  146.             @value = N'创建时间', @level0type = N'SCHEMA', @level0name = N'dbo',
  147.             @level1type = N'TABLE', @level1name = N'PrePackage_Detail',
  148.             @level2type = N'COLUMN', @level2name = N'Rec_CreateTime';
  149.  
  150.         EXEC sys.sp_addextendedproperty @name = N'MS_Description',
  151.             @value = N'创建人', @level0type = N'SCHEMA', @level0name = N'dbo',
  152.             @level1type = N'TABLE', @level1name = N'PrePackage_Detail',
  153.             @level2type = N'COLUMN', @level2name = N'Rec_CreateBy';
  154.  
  155.         EXEC sys.sp_addextendedproperty @name = N'MS_Description',
  156.             @value = N'修改时间', @level0type = N'SCHEMA', @level0name = N'dbo',
  157.             @level1type = N'TABLE', @level1name = N'PrePackage_Detail',
  158.             @level2type = N'COLUMN', @level2name = N'Rec_ModifyTime';
  159.  
  160.         EXEC sys.sp_addextendedproperty @name = N'MS_Description',
  161.             @value = N'修改人', @level0type = N'SCHEMA', @level0name = N'dbo',
  162.             @level1type = N'TABLE', @level1name = N'PrePackage_Detail',
  163.             @level2type = N'COLUMN', @level2name = N'Rec_ModifyBy';
  164.  
  165.         EXEC sys.sp_addextendedproperty @name = N'MS_Description',
  166.             @value = N'预包装明细', @level0type = N'SCHEMA', @level0name = N'dbo',
  167.             @level1type = N'TABLE', @level1name = N'PrePackage_Detail';
  168.  
  169.     END;
  170. GO

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