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我必须学习如何创建嵌套的选择/子查询(它们是一样的吗??)而且我很难找到一个很好的学习点......任何有用的教程/解释的链接?
我希望我可以学习,所以我不必依赖这里的天才。
谢谢!!
检查这两个链接,这是一篇关于 T-sql 子查询的好文章
http://www.databasejournal.com/features/mssql/article.php/3485291/Using-a-Correlated-Subquery-in-aT-SQL-Statement.htm http://www.akadia.com/services/sqlsrv_subqueries.html
http://www.databasejournal.com/features/mssql/article.php/3485291/Using-a-Correlated-Subquery-in-aT-SQL-Statement.htm
http://www.akadia.com/services/sqlsrv_subqueries.html