sqlserver 数据库便利操作

-----执行删除多条的存储过程

CREATE PROCEDURE [dbo].[xxxxxxx]?
@list VARCHAR (1000)?
AS?
delete from Table?WHERE
CHARINDEX(','+trim(column)+',','+@list +',') > 0?

----执行sql 将语句内变量写入自定义变量?

SET @Sql_All='select @count=count(*) from Table'?
?EXEC sp_executesql @Sql_All,???
? N‘@cunt INT OUTPUT',???
? @count OUTPUT??

----执行插入操作并将插入记录自增id返回

?string sql = @"INSERT Table(a,b)Values('1','2') select @@identity";
object obj = ExecuteScalar(sql);

?----一条记录行转列

select name=stuff(
(select '-'+name from student for xml path('')),1,'')

name是student表里的一个字段，格式如下：
name?
张三?
李四
王五
用一个sql语句输出以下格式：
张三-李四-王五

-----生成插入脚本存存储过程（转）

CREATE PROCEDURE dbo.UspOutputData? @tablename sysname? AS? declare @column varchar(1000)? declare @columndata varchar(1000)? declare @sql varchar(4000)? declare @xtype tinyint? declare @name sysname? declare @objectId int? declare @objectname sysname? declare @ident int set nocount on? set @objectId=object_id(@tablename) if @objectId is null -- 判斷對象是否存在? begin? print 'The object not exists'? return? end? set @objectname=rtrim(object_name(@objectId)) if @objectname is null or charindex(@objectname,@tablename)=0 --此判断不严密? begin? print 'object not in current database'? return? end if OBJECTPROPERTY(@objectId,'IsTable') < > 1 -- 判斷對象是否是table? begin? print 'The object is not table'? return? end select @ident=status&0x80 from syscolumns where id=@objectId and status&0x80=0x80 if @ident is not null? print 'SET IDENTITY_INSERT '+@tablename+' ON' declare syscolumns_cursor cursor? for select c.name,c.xtype from syscolumns c? where c.id=@objectId? order by c.colid? open syscolumns_cursor? set @column=''? set @columndata=''? fetch next from syscolumns_cursor into @name,@xtype? while @@fetch_status < >-1? begin? if @@fetch_status < >-2? begin? if @xtype not in(189,34,35,99,98) --timestamp不需处理，image,text,ntext,sql_variant 暂时不处理? begin? set @column=@column+case when len(@column)=0 then'' else ','end+@name? set @columndata=@columndata+case when len(@columndata)=0 then '' else ','','end? +case when @xtype in(167,175) then '''''''''+'+@name+'+''''''''' --varchar,char? when @xtype in(231,239) then '''N''''''+'+@name+'+''''''''' --nvarchar,nchar? when @xtype=61 then '''''''''+convert(char(23),'+@name+',121)+''''''''' --datetime? when @xtype=58 then '''''''''+convert(char(16),120)+''''''''' --smalldatetime? when @xtype=36 then '''''''''+convert(char(36),'+@name+')+''''''''' --uniqueidentifier? else @name end? end? end? fetch next from syscolumns_cursor into @name,@xtype? end? close syscolumns_cursor? deallocate syscolumns_cursor set @sql='set nocount on select ''insert '+@tablename+'('+@column+') values(''as ''- -'','+@columndata+','')'' from '+@tablename print '--'+@sql? exec(@sql) if @ident is not null? print 'SET IDENTITY_INSERT '+@tablename+' OFF' GO

（编辑：李大同）

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