查看本教程页面。 SQL联接 [ ^ ]



它应该为您提供入门的基本信息。

Have a look at this tutorial page. SQL Joins[^]

It should give you the basic info for getting started.

开始关于 SQL JOIN





http://www.dotnet-tricks.com/Tutorial/sqlserver/ W1aI140312-Different-Types-of-SQL-Joins.html [ ^ ]