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SQL Server存儲過程生成insert語句實(shí)例

 更新時(shí)間：2013年11月19日 09:15:46   作者：  
這篇文章主要介紹了SQL Server使用存儲過程生成insert語句再執(zhí)行大量插入數(shù)據(jù)的方法

你肯定有過這樣的煩惱，同樣的表，不同的數(shù)據(jù)庫，加入你不能執(zhí)行select  insert
那么你肯定需要一條這樣的存儲過程，之需要傳入表明，就會給你生成數(shù)據(jù)的插入語句。
當(dāng)然數(shù)據(jù)表數(shù)量太大，你將最好用別的方式

復(fù)制代碼 代碼如下:

Create   proc [dbo].[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 '''''''''+convert(char(23),'+name+',121)+''''''''' --datetime   
                     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

SQL語句

最后的結(jié)果：
INSERT INTO [SysSample] ([Id],[Name],[Age],[Bir],[Photo],[Note],[CreateTime]) values ('0002CA83-AF2F-4D8F-A345-33CA1CC7CF3C','任務(wù)調(diào)度系統(tǒng)',18,'2013-01-02 21:42:30.013','',NULL,'2013-01-02 21:42:30.013')
INSERT INTO [SysSample] ([Id],[Name],[Age],[Bir],[Photo],[Note],[CreateTime]) values ('0004A6F3-EC28-4D1F-BA40-0FC4B2218C92','任務(wù)調(diào)度系統(tǒng)',18,'2013-07-09 19:36:00.060','',NULL,'2013-07-09 19:36:00.060')
INSERT INTO [SysSample] ([Id],[Name],[Age],[Bir],[Photo],[Note],[CreateTime]) values ('00094D35-7B51-4EA3-871E-CE17E293B157','任務(wù)調(diào)度系統(tǒng)',18,'2013-05-16 15:21:20.070','',NULL,'2013-05-16 15:21:20.070')
INSERT INTO [SysSample] ([Id],[Name],[Age],[Bir],[Photo],[Note],[CreateTime]) values ('000BFBB0-B37D-4D6E-9FA2-3069D4F18F84','任務(wù)調(diào)度系統(tǒng)',18,'2013-04-11 11:41:50.030','',NULL,'2013-04-11 11:41:50.030')
INSERT INTO [SysSample] ([Id],[Name],[Age],[Bir],[Photo],[Note],[CreateTime]) values ('000C2CBC-E358-4469-BC2C-04F4DDCD72CD','任務(wù)調(diào)度系統(tǒng)',18,'2013-05-06 16:07:00.037','',NULL,'2013-05-06 16:07:00.037')
INSERT INTO [SysSample] ([Id],[Name],[Age],[Bir],[Photo],[Note],[CreateTime]) values ('000CB795-40EC-4783-B7A4-8D298DF63B70','任務(wù)調(diào)度系統(tǒng)',18,'2013-01-23 20:52:30.030','',NULL,'2013-01-23 20:52:30.030')

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