Access数据库防下载
create table [notdown]([notdown] oleobject)insert into [notdown](notdown) values (0x3C25)...
SQL把某张表的数据插入到另一张表里
insert into [SignUser]([user],[pwd],[AddDate]) select [user],[pwd],[AddDate] from [user]...
Accessc查询具体日期
select * FROM user where Date between #2014-7-27 0:0:0# and #2014-7-27 23:59:59#;Select * From user Where msg Like...
ACCESS和MSSQL-如何随机读取数据库记录
查询语句只要这样写,就可以随机取出记录了SQL="Select top 6 * from Dv_bbs1 where isbest = 1 and layer = 1 order by newID() desc"在AC...
C#连接字符串
//sqlconnection连接字符串 @"Data Source= .\SQLEXPRESS;AttachDBFilename=C:\..\*.MDF;Integrated Se...
SQL查询某字段非空的记录
请问我要得到某个字段不为 null ' ' ' ' ' ',等等，（即：不为空，也不为各种数量的空格）sql语句怎么写？------解决方案-------------------------...
重置数据库主键ID
ACCESS数据库delete from temp Alter TABLE temp Alter COLUMN ID COUNTER (1, ...