收藏几段SQL Server语句和存储过程

--列出SQL SERVER 所有表，字段名，主键，类型，长度，小数位数等信息 --在查询分析器里运行即可,可以生成一个表，导出到EXCEL中 -- ====================================================== SELECT (case when a.colorder=1 then d.name else '' end)表名, a.colorder 字段序号, a.name 字段名, (case when COLUMNPROPERTY( a.id,a.name,'IsIdentity')=1 then '√'else '' end) 标识, (case when (SELECT count(*) FROM sysobjects WHERE (name in (SELECT name FROM sysindexes WHERE (id = a.id) AND (indid in (SELECT indid FROM sysindexkeys WHERE (id = a.id) AND (colid in (SELECT colid FROM syscolumns WHERE (id = a.id) AND (name = a.name))))))) AND (xtype = 'PK'))>0 then '√' else '' end) 主键, b.name 类型, a.length 占用字节数, COLUMNPROPERTY(a.id,a.name,'PRECISION') as 长度, isnull(COLUMNPROPERTY(a.id,a.name,'Scale'),0) as 小数位数, (case when a.isnullable=1 then '√'else '' end) 允许空, isnull(e.text,'') 默认值, isnull(g.[value],'') AS 字段说明 FROM syscolumns a left join systypes b on a.xtype=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 sysproperties g on a.id=g.id AND a.colid = g.smallid order by a.id,a.colorder ------------------------------------------------------------------------------------------------- 列出SQL SERVER 所有表、字段定义，类型，长度，一个值等信息 并导出到Excel 中 -- ====================================================== -- Export all user tables definition and one sample value -- jan-13-2003,Dr.Zhang -- ====================================================== 在查询分析器里运行： SET ANSI_NULLS OFF GO SET NOCOUNT ON GO SET LANGUAGE 'Simplified Chinese' go DECLARE @tbl nvarchar(200),@fld nvarchar(200),@sql nvarchar(4000),@maxlen int,@sample nvarchar(40) SELECT d.name TableName,a.name FieldName,b.name TypeName,a.length Length,a.isnullable IS_NULL INTO #t FROM syscolumns a, systypes b,sysobjects d WHERE a.xtype=b.xusertype and a.id=d.id and d.xtype='U' DECLARE read_cursor CURSOR FOR SELECT TableName,FieldName FROM #t SELECT TOP 1 '_TableName ' TableName, 'FieldName ' FieldName,'TypeName ' TypeName, 'Length' Length,'IS_NULL' IS_NULL, 'MaxLenUsed' AS MaxLenUsed,'Sample Value ' Sample, 'Comment ' Comment INTO #tc FROM #t OPEN read_cursor FETCH NEXT FROM read_cursor INTO @tbl,@fld WHILE (@@fetch_status <> -1) --- failes BEGIN IF (@@fetch_status <> -2) -- Missing BEGIN SET @sql=N'SET @maxlen=(SELECT max(len(cast('+@fld+' as nvarchar))) FROM '+@tbl+')' --PRINT @sql EXEC SP_EXECUTESQL @sql,N'@maxlen int OUTPUT',@maxlen OUTPUT --print @maxlen SET @sql=N'SET @sample=(SELECT TOP 1 cast('+@fld+' as nvarchar) FROM '+@tbl+' WHERE len(cast('+@fld+' as nvarchar))='+convert(nvarchar(5),@maxlen)+')' EXEC SP_EXECUTESQL @sql,N'@sample varchar(30) OUTPUT',@sample OUTPUT --for quickly --SET @sql=N'SET @sample=convert(varchar(20),(SELECT TOP 1 '+@fld+' FROM '+ --@tbl+' order by 1 desc ))' PRINT @sql print @sample print @tbl EXEC SP_EXECUTESQL @sql,N'@sample nvarchar(30) OUTPUT',@sample OUTPUT INSERT INTO #tc SELECT *,ltrim(ISNULL(@maxlen,0)) as MaxLenUsed, convert(nchar(20),ltrim(ISNULL(@sample,' '))) as Sample,' ' Comment FROM #t where TableName=@tbl and FieldName=@fld END FETCH NEXT FROM read_cursor INTO @tbl,@fld END CLOSE read_cursor DEALLOCATE read_cursor GO SET ANSI_NULLS ON GO SET NOCOUNT OFF GO select count(*) from #t DROP TABLE #t GO select count(*)-1 from #tc select * into ##tx from #tc order by tablename DROP TABLE #tc --select * from ##tx declare @db nvarchar(60),@sql nvarchar(3000) set @db=db_name() --请修改用户名和口令 导出到Excel 中 set @sql='exec master.dbo.xp_cmdshell ''bcp ..dbo.##tx out c:\'+@db+'_exp.xls -w -C936 -Usa -Psa ''' print @sql exec(@sql) GO DROP TABLE ##tx GO -- ====================================================== --根据表中数据生成insert语句的存储过程 --建立存储过程，执行 spGenInsertSQL 表名 --感谢playyuer -- ====================================================== CREATE proc spGenInsertSQL (@tablename varchar(256)) as begin declare @sql varchar(8000) declare @sqlValues varchar(8000) set @sql =' (' set @sqlValues = 'values (''+' select @sqlValues = @sqlValues + cols + ' + '','' + ' ,@sql = @sql + '[' + name + '],' from (select case when xtype in (48,52,56,59,60,62,104,106,108,122,127) then 'case when '+ name +' is null then ''NULL'' else ' + 'cast('+ name + ' as varchar)'+' end' when xtype in (58,61) then 'case when '+ name +' is null then ''NULL'' else '+''''''''' + ' + 'cast('+ name +' as varchar)'+ '+'''''''''+' end' when xtype in (167) then 'case when '+ name +' is null then ''NULL'' else '+''''''''' + ' + 'replace('+ name+','''''''','''''''''''')' + '+'''''''''+' end' when xtype in (231) then 'case when '+ name +' is null then ''NULL'' else '+'''N'''''' + ' + 'replace('+ name+','''''''','''''''''''')' + '+'''''''''+' end' when xtype in (175) then 'case when '+ name +' is null then ''NULL'' else '+''''''''' + ' + 'cast(replace('+ name+','''''''','''''''''''') as Char(' + cast(length as varchar) + '))+'''''''''+' end' when xtype in (239) then 'case when '+ name +' is null then ''NULL'' else '+'''N'''''' + ' + 'cast(replace('+ name+','''''''','''''''''''') as Char(' + cast(length as varchar) + '))+'''''''''+' end' else '''NULL''' end as Cols,name from syscolumns where id = object_id(@tablename) ) T set @sql ='select ''INSERT INTO ['+ @tablename + ']' + left(@sql,len(@sql)-1)+') ' + left(@sqlValues,len(@sqlValues)-4) + ')'' from '+@tablename --print @sql exec (@sql) end GO -- ====================================================== --根据表中数据生成insert语句的存储过程 --建立存储过程，执行 proc_insert 表名 --感谢Sky_blue -- ====================================================== CREATE proc proc_insert (@tablename varchar(256)) as begin set nocount on declare @sqlstr varchar(4000) declare @sqlstr1 varchar(4000) declare @sqlstr2 varchar(4000) select @sqlstr='select ''insert '+@tablename select @sqlstr1='' select @sqlstr2=' (' select @sqlstr1= ' values ( ''+' select @sqlstr1=@sqlstr1+col+'+'',''+' ,@sqlstr2=@sqlstr2+name +',' from (select case -- when a.xtype =173 then 'case when '+a.name+' is null then ''NULL'' else '+'convert(varchar('+convert(varchar(4),a.length*2+2)+'),'+a.name +')'+' end' when a.xtype =104 then 'case when '+a.name+' is null then ''NULL'' else '+'convert(varchar(1),'+a.name +')'+' end' when a.xtype =175 then 'case when '+a.name+' is null then ''NULL'' else '+'''''''''+'+'replace('+a.name+','''''''','''''''''''')' + '+'''''''''+' end' when a.xtype =61 then 'case when '+a.name+' is null then ''NULL'' else '+'''''''''+'+'convert(varchar(23),'+a.name +',121)'+ '+'''''''''+' end' when a.xtype =106 then 'case when '+a.name+' is null then ''NULL'' else '+'convert(varchar('+convert(varchar(4),a.xprec+2)+'),'+a.name +')'+' end' when a.xtype =62 then 'case when '+a.name+' is null then ''NULL'' else '+'convert(varchar(23),'+a.name +',2)'+' end' when a.xtype =56 then 'case when '+a.name+' is null then ''NULL'' else '+'convert(varchar(11),'+a.name +')'+' end' when a.xtype =60 then 'case when '+a.name+' is null then ''NULL'' else '+'convert(varchar(22),'+a.name +')'+' end' when a.xtype =239 then 'case when '+a.name+' is null then ''NULL'' else '+'''''''''+'+'replace('+a.name+','''''''','''''''''''')' + '+'''''''''+' end' when a.xtype =108 then 'case when '+a.name+' is null then ''NULL'' else '+'convert(varchar('+convert(varchar(4),a.xprec+2)+'),'+a.name +')'+' end' when a.xtype =231 then 'case when '+a.name+' is null then ''NULL'' else '+'''''''''+'+'replace('+a.name+','''''''','''''''''''')' + '+'''''''''+' end' when a.xtype =59 then 'case when '+a.name+' is null then ''NULL'' else '+'convert(varchar(23),'+a.name +',2)'+' end' when a.xtype =58 then 'case when '+a.name+' is null then ''NULL'' else '+'''''''''+'+'convert(varchar(23),'+a.name +',121)'+ '+'''''''''+' end' when a.xtype =52 then 'case when '+a.name+' is null then ''NULL'' else '+'convert(varchar(12),'+a.name +')'+' end' when a.xtype =122 then 'case when '+a.name+' is null then ''NULL'' else '+'convert(varchar(22),'+a.name +')'+' end' when a.xtype =48 then 'case when '+a.name+' is null then ''NULL'' else '+'convert(varchar(6),'+a.name +')'+' end' -- when a.xtype =165 then 'case when '+a.name+' is null then ''NULL'' else '+'convert(varchar('+convert(varchar(4),a.length*2+2)+'),'+a.name +')'+' end' when a.xtype =167 then 'case when '+a.name+' is null then ''NULL'' else '+'''''''''+'+'replace('+a.name+','''''''','''''''''''')' + '+'''''''''+' end' else '''NULL''' end as col,a.colid,a.name from syscolumns a where a.id = object_id(@tablename) and a.xtype <>189 and a.xtype <>34 and a.xtype <>35 and a.xtype <>36 )t order by colid select @sqlstr=@sqlstr+left(@sqlstr2,len(@sqlstr2)-1)+') '+left(@sqlstr1,len(@sqlstr1)-3)+')'' from '+@tablename -- print @sqlstr exec( @sqlstr) set nocount off end GO

原文转自：http://www.ltesting.net