摘要: 如何判断oracle大字段(clob)为空?http://topic.csdn.net/u/20081110/15/094fcaf8-8b93-42c1-b8a9-364dc27f3e55.html--assume x is a clob field --x is null --x equal to empth_clob, dbms_lob.getlength(x) = 0 select * fr... 阅读全文
posted @ 2010-02-23 17:21 hellofei 阅读(5550) 评论(0) 推荐(0) 编辑