Re: [jdbc]

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#20560

From: YouYou
Date: Wed, 17 Dec 2003 07:00

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vector.size()==0 �� vector == null �������¡�
�� �� Fyuyan (��Ҫ���) �Ĵ������ᵽ: ��
: ��executeQuery����������
: public ResultSet executeQuery(String sql)
:                        throws SQLExceptionExecutes the given SQL statement
: , which returns a single ResultSet object
: Returns:
: a ResultSet object that contains the data produced by the given query; 
: never null 
: ~~~~~~~~~~Ϊʲô?���û�з��select��������?


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From: huxiaoqing.bbs@Freecity.dhs.org (YouYou)
Newsgroups: cn.bbs.comp.lang.java
Subject: Re: [jdbc]
Date: 17 Dec 2003 07:00:16 GMT
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