收藏几段SQL Server语句和存储过程

[GS=SQL] 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.xtyp
e =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 [/GS]