EXCEL转数据到SQL(已有表结构)
insert into Country123 ([Country_Id], [Region_ID], [Country_EN_Name], [Country], [Country_ALL_ID], [Country_Order_Id]) select [Country_Id], [Region_ID], [Country_EN_Name], [Country], [Country_ALL_ID], [Country_Order_Id] from openrowset( 'Microsoft.Jet.OLEDB.4.0', 'EXCEL 5.0;HDR=YES;IMEX=1; DATABASE=C:\Documents and Settings\Administrator.SM-8K7POQCBNFWO\My Documents\Google Talk Received Files\12-24.XLS',Country)
相关文档：
create PROCEDURE pagelist
@tablename nvarchar(50),
@fieldname nvarchar(50)='*',
@pagesize int output,--每页显示记录条数
@currentpage int output,--第几页
@orderid nvarchar(50),--主键排序
@sort int,--排序方式，1表示升序，0表示降序排列
......
日志文件满而造成SQL数据库无法写入文件时，可用两种方法：
一种方法：清空日志。
1．打开查询分析器，输入命令
DUMP TRANSACTION 数据库名 WITH NO_LOG
2.再打开企业管理器--右键你要压缩的数据库--所有任务--收缩数据库--收缩文件--选择日志文件--在收缩方式里选择收缩至XXM,这里会给出一个允许收缩� ......
DATEDIFF
返回跨两个指定日期的日期和时间边界数。
一、 语法
DATEDIFF ( datepart , startdate , enddate )
二、参数
datepar ......
Linq to SQL uses a DataContext to manage it's access to the database as well as tracking changes made to entities retrieved from the database. Linq to SQL has a persistent approach to managing its 'connection' to the database via this data context and it basically assumes that you use a single Dat ......
1.Oracle删除重复记录.
删除表中多余的重复记录，重复记录是根据单个字段（peopleId）来判断，只留有rowid最小的记录.
delete from people
where peopleId in (select peopleId from people group by peopleId having count(peopleId) > 1)
and rowid not i ......
