Oracle:
SELECT count(*) FROM user_tables
MSSQL:
SELECT count(1) FROM sysobjects WHERE xtype='U'这种方法可能会把dbo.dtproperties表给查出来,我在Oracle中查出66张表，在SQL SERVER中查出67张表，就是多...
1、MSSQL连接字符串
（1）OLEDB
Windows 身份验证
"Provider=SQLOLEDB;Data Source=PEK7-6TKX23X\SQLEXPRESS;Initial Catalog=Test;Trusted_Connection=Yes;";
SQL Server 身份验证...
随机取出n条记录：Sql server:select top n * from 表 order by newid()Access:Select top n * FROM 表 orDER BY Rnd(id) mysql:Select * From 表 order By rand() Limit nselect * from youtab where mod ( rowid ,...
