sql: sq_helptext

--查看表生成脚本 sql server     --- '\r'是回车，'\n'是换行  /t相当于键盘的Tab键    --- 操作系统的不同，换行符操也不同：/r Mac /n Unix/Linux /r/n Windows
USE   [master]   --设定为系统用的，就是在各数据库中都可以调用。如果写在当前数据库中，只能用于当前数据库
  GO
  SET   ANSI_NULLS   ON
  GO
  SET   QUOTED_IDENTIFIER   ON
  GO
  /*
  ****************************************************************************
    功能描述:   获取指定表的创建脚本,包括表和字段的属性、外键(注释掉的)
  ----------------------------------------------------------------------------
    参数列表:
                  1:   @TableName   需要创建脚本的表的名称
  ****************************************************************************
 */
  IF  EXISTS (SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(N'[dbo].[sp_HelpTable]') AND type in (N'P', N'PC'))
DROP PROCEDURE [dbo].[sp_HelpTable]
GO
  CREATE   PROCEDURE   [dbo].[sp_HelpTable](@TableName   sysname)
  AS
      SET   NOCOUNT   ON
      DECLARE   @ObjectID   int
      DECLARE   @TableScript   table(Iden   int   IDENTITY(1,   1),   ScriptLine   nvarchar(4000))
      SET   @ObjectID   =   object_id(@TableName)
      IF   @ObjectID   IS   NULL   OR   OBJECTPROPERTY(@ObjectID,   'IsTable')   =   0
      BEGIN
          RAISERROR('指定的对象不是表对象',   16,   1)
          RETURN
      END
      --获取表的创建脚本
      --插入表头
      INSERT   INTO   @TableScript(ScriptLine)
          SELECT   N'CREATE   TABLE   ['   +   USER_NAME(OBJECTPROPERTY(@ObjectID,   N'OwnerId'))   +   N'].['   +   object_name(@ObjectID)   +   N']('   

      --插入字段
      INSERT   INTO   @TableScript(ScriptLine)
          SELECT   N'     ['   +   a.Name   +   N']   ['   +   b.name   +   N']'   +
                        CASE   WHEN   c.Object_id   IS   NOT   NULL   THEN   N'   IDENTITY('   +   CONVERT(nvarchar,   c.seed_value)   +   N',   '   +   CONVERT(nvarchar,   c.increment_value)   +   N')'
                                  ELSE   ''   END   +
                        CASE   WHEN   b.xusertype   IN   (167,   175,   231,   239)   THEN   N'('+CONVERT(nvarchar,   a.prec)     +   N')'
                                  WHEN   b.xusertype   in   (106,   108)                       THEN   N'('+CONVERT(nvarchar,   a.xprec)   +   N',   '   +   CONVERT(nvarchar,   a.xscale)   +   N')'
                                  ELSE   ''   END   +
                        CASE   a.isnullable   WHEN   1   THEN   N''   ELSE   N'   NOT'   END   +   N'   NULL'   +
                        CASE   WHEN   d.Name   IS   NOT   NULL   THEN   N'   DEFAULT   '   +   d.Definition   ELSE   N''   END   +
                        N','
              FROM   sys.syscolumns   a
                  LEFT   JOIN   sys.systypes   b   ON   a.xusertype   =   b.xusertype
                  LEFT   JOIN   sys.identity_columns   c   ON   c.Object_id   =   a.ID   AND   c.Column_ID   =   a.ColID
                  LEFT   JOIN   sys.default_constraints   d   ON   d.Parent_Object_ID   =   a.ID   AND   d.Parent_column_ID   =   a.ColID
          WHERE   a.[ID]   =   @ObjectID
          ORDER   BY   a.ColOrder   

      --插入主键和索引
      DECLARE   @IndexID   int,   @IndexScript   nvarchar(4000)
      DECLARE   IndexCursor   CURSOR   FOR
          SELECT   b.Index_ID,   N'     CONSTRAINT   ['   +   a.Name   +   N']   '   +
                        CASE   a.Type   WHEN   'PK'   THEN   N'PRIMARY   KEY   '   WHEN   'UQ'   THEN   N'UNIQUE   '   END   +
                        CASE   b.Type   WHEN   1         THEN   N'CLUSTERED'       WHEN   2           THEN   N'NONCLUSTERED   '   END   +   N'('
              FROM   sys.key_constraints   a
                  LEFT   JOIN   sys.indexes   b   ON   b.Object_ID   =   a.Parent_Object_ID   AND   b.index_id   =   a.unique_index_id
          WHERE   a.Parent_Object_ID   =   @ObjectID
      OPEN   IndexCursor
      FETCH   NEXT   FROM   IndexCursor   INTO   @IndexID,   @IndexScript
      WHILE   @@FETCH_STATUS   =   0
      BEGIN
          SELECT   @IndexScript   =   @IndexScript   +   N'['   +   INDEX_COL(object_name(@ObjectID),   2   ,   1)   +   N'],'
              FROM   sys.index_columns
          WHERE   Object_ID   =   @ObjectID
              AND   Index_ID   =   2   

          SET   @IndexScript   =   LEFT(@IndexScript,   LEN(@IndexScript)   -1)   +   N'),'
          INSERT   INTO   @TableScript(ScriptLine)   VALUES(@IndexScript)   

          FETCH   NEXT   FROM   IndexCursor   INTO   @IndexID,   @IndexScript
      END
      CLOSE   IndexCursor
      DEALLOCATE   IndexCursor   

      --除去最后一个,号
      UPDATE   @TableScript
          SET   ScriptLine   =   LEFT(ScriptLine,   LEN(ScriptLine)   -   1)
      WHERE   Iden   =   (SELECT   MAX(Iden)   FROM   @TableScript)
      INSERT   INTO   @TableScript(ScriptLine)   VALUES(N')')
      INSERT   INTO   @TableScript(ScriptLine)   VALUES(N'GO')
      INSERT   INTO   @TableScript(ScriptLine)   VALUES(N'')
    --获取表备注
      DECLARE   @PropScript   nvarchar(4000)
      INSERT   INTO   @TableScript(ScriptLine)
          SELECT   N'EXEC   sys.sp_addextendedproperty   @name=N'''   +   a.Name   +   N''',   @value=N'''   +   CONVERT(nvarchar,   a.Value)   +   N'''   ,@level0type=N''SCHEMA'',   @level0name=N'''   +
                        USER_NAME(OBJECTPROPERTY(a.major_Id,   N'OwnerId'))   +   N''',   @level1type=N''TABLE'',   @level1name=N'''   +   b.Name   +   N''''
              FROM   sys.extended_properties   a
                  LEFT   JOIN   sys.objects   b   ON   b.[Object_ID]   =   a.major_Id
          WHERE   a.major_Id   =   @ObjectID
              AND   Minor_ID   =   0
      INSERT   INTO   @TableScript(ScriptLine)   VALUES('GO')   

      DECLARE   PropCursor   CURSOR   FOR
          SELECT   N'EXEC   sys.sp_addextendedproperty   @name=N'''   +   a.Name   +   N''',   @value=N'''   +   CONVERT(nvarchar,   a.Value)   +   N'''   ,@level0type=N''SCHEMA'',   @level0name=N'''   +
                        USER_NAME(OBJECTPROPERTY(a.major_Id,   N'OwnerId'))   +   N''',   @level1type=N''TABLE'',   @level1name=N'''   +   b.Name   +   N''''   +
                        N',   @level2type=N''COLUMN'',   @level2name=N'''   +   c.[Name]   +   ''''
              FROM   sys.extended_properties   a
                  LEFT   JOIN   sys.objects   b   ON   b.[Object_ID]   =   a.major_Id
                  LEFT   JOIN   sys.syscolumns   c   ON   c.[ID]   =   a.major_Id   AND   c.ColID   =   a.Minor_ID
          WHERE   a.major_Id   =   @ObjectID
              AND   Minor_ID   <>   0
      OPEN   PropCursor
      FETCH   NEXT   FROM   PropCursor   INTO   @PropScript
      WHILE   @@FETCH_STATUS   =   0
      BEGIN
          INSERT   INTO   @TableScript(ScriptLine)   VALUES(@PropScript)
          INSERT   INTO   @TableScript(ScriptLine)   VALUES(N'GO')   

          FETCH   NEXT   FROM   PropCursor   INTO   @PropScript
      END
      CLOSE   PropCursor
      DEALLOCATE   PropCursor
      INSERT   INTO   @TableScript(ScriptLine)   VALUES('')   

      --获取表外键
      DECLARE   @ConstID   int,   @i   tinyint,   @keyCnt   tinyint,   @TempletSQL   nvarchar(400),   @SQLScript   nvarchar(500),
                      @FColName   sysname,   @RColName   sysname,
                      @ForeignLine   nvarchar(4000),   @ReferencesLine   nvarchar(4000),   @ReferencesAction   nvarchar(4000)
      DECLARE   @ConstIDTable   table(ConstID   int)
      SELECT
          @FColName   =   '',
          @RColName   =   '',
          @TempletSQL   =
              N'SELECT   @eFColName   =   ''[''   +   col_name(FkeyID,   Fkey%d)   +   '']'',   @eRColName   =   ''[''   +   col_name(RkeyID,   Rkey%d)   +   '']''   FROM   sys.sysreferences   WHERE   ConstID   =   @ConstID'   

      INSERT   INTO   @ConstIDTable
          SELECT   ConstID   FROM   sys.sysreferences   WHERE   FKeyID   =   @ObjectID   OR   RKeyID   =   @ObjectID   ORDER   BY   FKeyID   

      WHILE   EXISTS(SELECT   *   FROM   @ConstIDTable)
      BEGIN
          SELECT   TOP   1   @ConstID   =   ConstID   FROM   @ConstIDTable
          DELETE   FROM   @ConstIDTable   WHERE   ConstID   =   @ConstID   

          INSERT   INTO   @TableScript
              SELECT   N'--ALTER   TABLE   [dbo].['   +   object_name(FKeyID)   +   ']   WITH   CHECK'
                  FROM   sys.sysreferences
              WHERE   ConstID   =   @ConstID
          INSERT   INTO   @TableScript(ScriptLine)   VALUES('--     ADD'   +   CHAR(13)   +   CHAR(10))   

          SELECT   @ForeignLine   =   N'--         CONSTRAINT   ['   +   object_name(ConstID)   +   ']   FOREIGN   KEY(',
                        @ReferencesLine   =   N'REFERENCES   [dbo].['   +   object_name(RKeyID)   +   ']   (',
                        @ReferencesAction   =   CASE   b.Delete_Referential_Action   WHEN   0   THEN   N''
                                                                                                                                  WHEN   1   THEN   N'ON   DELETE   Cascade'
                                                                                                                                  WHEN   2   THEN   N'ON   DELETE   SET   NULL'
                                                                                                                                  WHEN   3   THEN   N'ON   DELETE   SET   DEFAULT'
                                                                END   +   '   '   +
                                                                CASE   b.Delete_Referential_Action   WHEN   0   THEN   N''
                                                                                                                                  WHEN   1   THEN   N'ON   UPDATE   Cascade'
                                                                                                                                  WHEN   2   THEN   N'ON   UPDATE   SET   NULL'
                                                                                                                                  WHEN   3   THEN   N'ON   UPDATE   SET   DEFAULT'
                                                                END,
                        @keyCnt   =   KeyCnt
              FROM   sys.sysreferences   a
                  LEFT   JOIN   sys.foreign_keys   b   ON   a.ConstID   =   b.Object_ID
          WHERE   a.ConstID   =   @ConstID   

          --取字段
          SET   @i   =   1
          WHILE   @i   <=   @keyCnt
          BEGIN
              SET   @SQLScript   =   REPLACE(@TempletSQL,   '%d',   CONVERT(nvarchar,   @i))
              EXEC   sp_executesql   @stmt   =   @SQLScript,   @params=   N'@eFColName   sysname   output,   @eRColName   sysname   output,   @ConstID   int',
                                                    @eFColName   =   @FColName   output,   @eRColName   =   @RColName   output,   @ConstID   =   @ConstID
              print   @SQLScript
              SET   @ForeignLine   =   @ForeignLine   +   CASE   WHEN   @i   >   1   THEN   ',   '   ELSE   ''   END   +   @FColName
              SET   @ReferencesLine   =   @ReferencesLine   +   CASE   WHEN   @i   >   1   THEN   ',   '   ELSE   ''   END   +   @RColName
              SET   @i   =   @i   +   1
          END   

          INSERT   INTO   @TableScript(ScriptLine)   VALUES(@ForeignLine   +   N')   '   +   @ReferencesLine   +   N')')
          IF   @ReferencesAction   <>   ''
              INSERT   INTO   @TableScript(ScriptLine)   VALUES(@ReferencesAction)
          --INSERT   INTO   @TableScript(ScriptLine)   VALUES(N'GO')
      END
      --返回表的创建脚本
      SELECT   ScriptLine   FROM   @TableScript
      SET   NOCOUNT   OFF
 GO

--测试
USE LibrarySystem
EXEC sp_HelpTable 'BookInfoList'

对于查看视图,存储过程等系统有现成的.sp_helptext 

---表结构
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
create proc [dbo].[sp_table]
(@tableName varchar(200)
,@ColumnLike varchar(200)=NULL)
as
--/********************************************           

--根据表名得到表信息，包括字段说明           

--*********************************************/         

--DECLARE @tableName VARCHAR(200);
--DECLARE @ColumnLike VARCHAR(200); 

--SET @tableName='purchase'
--SET @ColumnLike=NULL; 

--如果表明不存在，就直接选出相似表
if not exists( select 1 from sysobjects where id = object_id(@tableName)  and type = 'U')
begin
 select name from sysobjects where name like '%'+@tableName + '%'  and type = 'U'
 return
end      

--筛选相似列明
if(@ColumnLike is null)
 set @ColumnLike = ''
declare @ColumnTable table(cName varchar(200))
insert @ColumnTable(cName)
select a.name from syscolumns a,sysobjects d
where  a.id=d.id
and d.name = @tableName and a.name like '%'+ @ColumnLike +'%'     

--查询表结构信息
  SELECT
  表名=case   when   a.colorder=1   then   d.name   else   ''   end,
  表说明=case   when   a.colorder=1   then   isnull(f.value,'')   else   ''   end,
  字段序号=a.colorder,
  字段名=a.name,
 字段说明=isnull(g.[value],''),
  标识=case   when   COLUMNPROPERTY(   a.id,a.name,'IsIdentity')=1   then   '√'else   ''   end,
  主键=case   when   exists(SELECT   1   FROM   sysobjects   where   xtype='PK'   and   parent_obj=a.id   and   name   in   (
  SELECT   name   FROM   sysindexes   WHERE   indid   in(
  SELECT   indid   FROM   sysindexkeys   WHERE   id   =   a.id   AND   colid=a.colid
  )))   then   '√'   else   ''   end,
  类型=b.name,
  占用字节数=a.length,
  长度=COLUMNPROPERTY(a.id,a.name,'PRECISION'),
  小数位数=isnull(COLUMNPROPERTY(a.id,a.name,'Scale'),0),
  允许空=case   when   a.isnullable=1   then   '√'else   ''   end,
  默认值=isnull(e.text,'')            

  FROM   syscolumns   a
  left   join   systypes   b   on   a.xusertype=b.xusertype
  inner   join   sysobjects   d   on   a.id=d.id     and   d.xtype='U'   and     d.name<>'dtproperties'
  left   join   syscomments   e   on   a.cdefault=e.id
  left   join   sys.extended_properties   g   on   a.id=g.major_id   and   a.colid=g.minor_id
  left   join   sys.extended_properties   f   on   d.id=f.major_id   and   f.minor_id=0
  --where   d.name='要查询的表'         --如果只查询指定表,加上此条件
where d.name = @tableName
  and exists(select 1 from @ColumnTable where cname = a.name)
  order   by   a.id,a.colorder
  GO

  ---查看函數,存儲過程代碼
  create procedure dusp_helptext
@objname nvarchar(776)
,@columnname sysname = NULL
as  

set nocount on  

declare @dbname sysname
,@objid int
,@BlankSpaceAdded   int
,@BasePos       int
,@CurrentPos    int
,@TextLength    int
,@LineId        int
,@AddOnLen      int
,@LFCR          int --lengths of line feed carriage return
,@DefinedLength int  

/* NOTE: Length of @SyscomText is 4000 to replace the length of
** text column in syscomments.
** lengths on @Line, #CommentText Text column and
** value for @DefinedLength are all 255. These need to all have
** the same values. 255 was selected in order for the max length
** display using down level clients
*/
,@SyscomText nvarchar(4000)
,@Line          nvarchar(255)  

select @DefinedLength = 255
select @BlankSpaceAdded = 0 /*Keeps track of blank spaces at end of lines. Note Len function ignores
                             trailing blank spaces*/
CREATE TABLE #CommentText
(LineId int
 ,Text  nvarchar(255) collate database_default)  

/*
**  Make sure the @objname is local to the current database.
*/
select @dbname = parsename(@objname,3)
if @dbname is null
 select @dbname = db_name()
else if @dbname <> db_name()
        begin
                raiserror(15250,-1,-1)
                return (1)
        end  

/*
**  See if @objname exists.
*/
select @objid = object_id(@objname)
if (@objid is null)
        begin
  raiserror(15009,-1,-1,@objname,@dbname)
  return (1)
        end  

-- If second parameter was given.
if ( @columnname is not null)
    begin
        -- Check if it is a table
        if (select count(*) from sys.objects where object_id = @objid and type in ('S ','U ','TF'))=0
            begin
                raiserror(15218,-1,-1,@objname)
                return(1)
            end
        -- check if it is a correct column name
        if ((select 'count'=count(*) from sys.columns where name = @columnname and object_id = @objid) =0)
            begin
                raiserror(15645,-1,-1,@columnname)
                return(1)
            end
    if (ColumnProperty(@objid, @columnname, 'IsComputed') = 0)
  begin
   raiserror(15646,-1,-1,@columnname)
   return(1)
  end  

        declare ms_crs_syscom  CURSOR LOCAL
        FOR select text from syscomments where id = @objid and encrypted = 0 and number =
                        (select column_id from sys.columns where name = @columnname and object_id = @objid)
                        order by number,colid
        FOR READ ONLY  

    end
else if @objid < 0 -- Handle system-objects
 begin
  -- Check count of rows with text data
  if (select count(*) from master.sys.syscomments where id = @objid and text is not null) = 0
   begin
    raiserror(15197,-1,-1,@objname)
    return (1)
   end  

  declare ms_crs_syscom CURSOR LOCAL FOR select text from master.sys.syscomments where id = @objid
   ORDER BY number, colid FOR READ ONLY
 end
else
    begin  

/*
        **  Find out how many lines of text are coming back,
        **  and return if there are none.
        */
        if (select count(*) from syscomments c, sysobjects o where o.xtype not in ('S', 'U')
            and o.id = c.id and o.id = @objid) = 0
                begin
                        raiserror(15197,-1,-1,@objname)
                        return (1)
                end  

        if (select count(*) from syscomments where id = @objid and encrypted = 0) = 0
                begin
                        raiserror(15471,-1,-1,@objname)
                        return (0)
                end  

  declare ms_crs_syscom  CURSOR LOCAL
  FOR select text from syscomments where id = @objid and encrypted = 0
    ORDER BY number, colid
  FOR READ ONLY  

    end  

/*
**  else get the text.
*/
select @LFCR = 2
select @LineId = 1  

OPEN ms_crs_syscom  

FETCH NEXT from ms_crs_syscom into @SyscomText  

WHILE @@fetch_status >= 0
begin  

    select  @BasePos    = 1
  select  @CurrentPos = 1
    select  @TextLength = LEN(@SyscomText)  

    WHILE @CurrentPos  != 0
    begin
        --Looking for end of line followed by carriage return
        select @CurrentPos =   CHARINDEX(char(13)+char(10), @SyscomText, @BasePos)  

        --If carriage return found
        IF @CurrentPos != 0
        begin
            /*If new value for @Lines length will be > then the
            **set length then insert current contents of @line
            **and proceed.
            */
            while (isnull(LEN(@Line),0) + @BlankSpaceAdded + @CurrentPos-@BasePos + @LFCR) > @DefinedLength
            begin
                select @AddOnLen = @DefinedLength-(isnull(LEN(@Line),0) + @BlankSpaceAdded)
                INSERT #CommentText VALUES
                ( @LineId,
                  isnull(@Line, N'') + isnull(SUBSTRING(@SyscomText, @BasePos, @AddOnLen), N''))
                select @Line = NULL, @LineId = @LineId + 1,
                       @BasePos = @BasePos + @AddOnLen, @BlankSpaceAdded = 0
            end
            select @Line    = isnull(@Line, N'') + isnull(SUBSTRING(@SyscomText, @BasePos, @CurrentPos-@BasePos + @LFCR), N'')
            select @BasePos = @CurrentPos+2
            INSERT #CommentText VALUES( @LineId, @Line )
            select @LineId = @LineId + 1
            select @Line = NULL
        end
        else
        --else carriage return not found
        begin
            IF @BasePos <= @TextLength
            begin
                /*If new value for @Lines length will be > then the
                **defined length
                */
                while (isnull(LEN(@Line),0) + @BlankSpaceAdded + @TextLength-@BasePos+1 ) > @DefinedLength
                begin
                    select @AddOnLen = @DefinedLength - (isnull(LEN(@Line),0) + @BlankSpaceAdded)
                    INSERT #CommentText VALUES
                    ( @LineId,
                      isnull(@Line, N'') + isnull(SUBSTRING(@SyscomText, @BasePos, @AddOnLen), N''))
                    select @Line = NULL, @LineId = @LineId + 1,
                        @BasePos = @BasePos + @AddOnLen, @BlankSpaceAdded = 0
                end
                select @Line = isnull(@Line, N'') + isnull(SUBSTRING(@SyscomText, @BasePos, @TextLength-@BasePos+1 ), N'')
                if LEN(@Line) < @DefinedLength and charindex(' ', @SyscomText, @TextLength+1 ) > 0
                begin
                    select @Line = @Line + ' ', @BlankSpaceAdded = 1
                end
            end
        end
    end  

 FETCH NEXT from ms_crs_syscom into @SyscomText
end  

IF @Line is NOT NULL
    INSERT #CommentText VALUES( @LineId, @Line )  

select Text from #CommentText order by LineId  

CLOSE  ms_crs_syscom
DEALLOCATE  ms_crs_syscom  

DROP TABLE  #CommentText  

return (0) -- sp_helptext

　　

---2005附加數據庫
---ATTACH DATABASE TEMPLATE
exec sp_attach_db 'Asset5','D:\Program Files\Microsoft SQL Server\MSSQL.1\MSSQL\Data\Asset5.mdf','D:\Program Files\Microsoft SQL Server\MSSQL.1\MSSQL\Data\Asset5_log.ldf'
GO
---列出存儲過程
exec sp_stored_procedures
GO
--系統視圖
select * from sys.objects

---列出存儲過程
select * from sys.objects WHERE TYPE='P'
select [name] from sysobjects where xtype='P' order by [name]
GO
---列出所有表
select * from sys.objects WHERE TYPE='U' order by [name]
select [name] from sysobjects where xtype='U' order by [name]

GO
--列出視圖
select * from sys.objects WHERE TYPE='V' order by [name]
select [name] from sysobjects where xtype='V' order by [name]

GO
--
select * from sysobjects
GO

--列出所有表
select [name] from sysobjects where xtype='u' order by [name]
GO
/* select name from sysobjects where xtype='u'  ---
   C = CHECK 约束
   D = 默认值或 DEFAULT 约束
   F = FOREIGN KEY 约束
   L = 日志
   FN = 标量函数
   IF = 内嵌表函数
   P = 存储过程
   PK = PRIMARY KEY 约束（类型是 K）
   RF = 复制筛选存储过程
   S = 系统表
   TF = 表函数
   TR = 触发器
   U = 用户表
   UQ = UNIQUE 约束（类型是 K）
   V = 视图
   X = 扩展存储过程
   */

 --得到数据库存储过程列表：
select * from dbo.sysobjects where OBJECTPROPERTY(id, N'IsProcedure') = 1 order by name
--得到某个存储过程的参数信息：(SQL方法) proc_Insert_BookAdministratorListOutput
select * from syscolumns where ID in
  (SELECT id FROM sysobjects as a
   WHERE OBJECTPROPERTY(id, N'IsProcedure') = 1
   and id = object_id(N'[dbo].[proc_Insert_BookAdministratorListOutput]'))

--得到数据库所有表：
select * from dbo.sysobjects where OBJECTPROPERTY(id, N'IsUserTable') = 1 order by name
---得到某个表中的字段信息：dbo.BookInfoList
select c.name as ColumnName, c.colorder as ColumnOrder, c.xtype as DataType, typ.name as  DataTypeName, c.Length, c.isnullable from dbo.syscolumns c inner join dbo.sysobjects t
on c.id = t.id
inner join dbo.systypes typ on typ.xtype = c.xtype
where OBJECTPROPERTY(t.id, N'IsUserTable') = 1
and t.name='BookInfoList' order by c.colorder;

select a.name,b.name,a.length,a.isnullable from syscolumns a,systypes b,sysobjects d where a.xtype=b.xusertype and a.id=d.id and d.xtype='U' and a.id =object_id('BookInfoList')
--得到存储过程内容
EXEC Sp_HelpText '[proc_Insert_BookAdministratorListOutput]'

--得到视图View定义：dbo.View_BookInfoList
--获取View, Procedure, Trigger, Function的源代码
EXEC Sp_HelpText 'View_BookInfoList'
--
EXEC Sp_HelpText 'BookInfoList'

SELECT b.name, a.name AS Expr1, a.id, a.xtype, a.typestat, a.xusertype, a.length, a.xprec, a.xscale, a.colid, a.xoffset, a.bitpos, a.reserved, a.colstat,
a.cdefault, a.domain, a.number, a.colorder, a.autoval, a.offset, a.collationid, a.language, a.status, a.type, a.usertype, a.printfmt, a.prec, a.scale,
a.iscomputed, a.isoutparam, a.isnullable, a.collation, a.tdscollation
FROM syscolumns AS a INNER JOIN
sysobjects AS b ON b.id = a.id
WHERE (b.xtype = 'U') AND (b.name <> 'dtproperties')

--得到数据库存储过程列表
select * from dbo.sysobjects where OBJECTPROPERTY(id, N'IsProcedure') = 1 order by name
--列出所有数据库
SELECT name FROM sys.sysdatabases order by name asc

--查詢數據庫中的表所占用空間
exec sp_spaceused '表名' --取得表占用空間
exec sp_spaceused ''--數據庫所有空間