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...
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posted @ 2015-02-27 17:53
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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 ...
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posted @ 2015-02-27 13:40
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