2013年9月16日

摘要: 网址:http://www.adp-gmbh.ch/ora/misc/dual.htmldualis a table which is created by oracle along with thedata dictionary. It consists of exactly one column whose name isdummyand one record. The value of that record isX.rene@ora92> desc dual Name Null? Type ----------------------- --... 阅读全文

posted @ 2013-09-16 14:43 JasmineLiu 阅读(218) 评论(0) 推荐(0) 编辑


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