PL/SQL的一些问题
摘要:
1. Rownum PL/SQL User's Guid and Reference中的描述: ROWNUM returns a number indicating the order in which a row was selected from a table. The first row selected has a ROWNUM of 1, the second row has a RO... 阅读全文
posted @ 2008-01-16 23:35 riccc 阅读(694) 评论(1) 推荐(0) 编辑