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subqueries

  • Web子查询;次查询
1.
子查询
三、子查询(Subqueries):子查询是在where子句中包含的查询语句,是由系列简单构成的复杂查询。问:谁与smith在同一部门工作?
blog.csdn.net|Based on 221 pages
2.
次查询
次查询Subqueries) 任何数目的次查询可以存在型态的任意层级中,而且次查询可以使用巢状结构,但是却不允许空的次查询。
tw.myblog.yahoo.com|Based on 3 pages

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