SqlServer 游标例子
Declare @Id int
Declare @Name varchar(20)
Declare Cur Cursor For Select Id,Name from T_User
Open Cur
Fetch next from Cur Into @Id,@Name
While @@fetch_status=0
Begin
Update T_User Set [Name]=@Name,Id=@Id
Fetch Next from Cur Into @Id,@Name
End
Close Cur
Deallocate Cur
相关文档：
create proc P_QuerySplit
@sqlscript varchar(20), --表名/SQL语句
@pageSize int, --每页记录数
@pageIndex int, &nbs ......
//这是添加
private void button1_Click(object sender, EventArgs e)
{
string s = "Persist Security Info=False;Integrated Security=SSPI;database=IIntegration;server=(local)";
&n ......
MySQL:
SELECT column from table
ORDER BY RAND()
LIMIT 1
PostgreSQL:
SELECT column from table
ORDER BY RANDOM()
LIMIT 1
Microsoft SQL Server:
SELECT TOP 1 column from table
ORDER BY NEWID()
IBM DB2
SELECT column, RAND() as IDX
from table
ORDER BY IDX FETCH FIRST 1 ROWS ONLY
Thanks Ti ......
可以用扩展存储过程xp_dirtree获取文件列表，用openrowset倒入数据到二进制字段。
openrowset的用法可以参考msdn
http://technet.microsoft.com/zh-cn/library/ms190312.aspx
如果文件很多，建议还是用程序倒入了
if (object_id ('t_bulkResult' ) is not null )
drop table t_bulkResult ......
