摘要: 集合函数;declare type list_nested is table of varchar2(100) not null; v_all list_nested := list_nested('changan','hubei','shanghai','beijin...阅读全文
posted @ 2015-02-27 17:53 想想宝宝 阅读(144) 评论(0) 编辑
摘要: --取出集合;长度declare type list_nested is table of varchar2(50) not null; v_all list_nested := list_nested('a','b','c','d','c','d');begin ...阅读全文
posted @ 2015-02-27 13:40 想想宝宝 阅读(192) 评论(0) 编辑