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Article #23561Re: �����PreparedStatement��java��ʵ����ݿ��
From: ����
Date: Tue, 22 Jul 2003 03:16
Date: Tue, 22 Jul 2003 03:16
24 lines
1740 bytes
1740 bytes
conn.prepareStatement( "UPDATE count SET index=index+? WHERE count.no=?" );
..
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: ��ʵ��
: UPDATE count set index��index��n WHERE count.no��m
: ���ǰ�count���б��Ϊm���е�index�е�ֵ��ԭ�л��ϼ�n��m,n������ж�̬ȷ����
: ʹ��PreparedStatement�������ݿ��е���ݣ�����Ҫд���������
: PreparedStatement pstmt=
: conn.prepareStatement("UPDATE count SET index=�� WHERE count.no=?");
: pstmt.setInt(1,2);
: pstmt.setInt(2,2)
: pstmt.executeUpdate();
: ����pstmt.setInt����ֻ��ָ��ȷ����ֵ�����ʵ����ԭ�л��ϼ�һ����
--
del *.���� /s
unable to delete file
help!!!!!!!!!!!!!!!!!!!!
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X-Google-Language: Chinese,GB X-Google-Thread: f6cb0,6703d2ed2fb54b7c X-Google-Attributes: gidf6cb0,public X-Google-ArrivalTime: 2003-07-21 20:20:59 PST Path: arc1-ca.pugleaf.net!archiver1.google.com!news1.google.com!sn-xit-02!sn-xit-03!sn-xit-01!sn-xit-08!supernews.com!newsfeed.news2me.com!newsfeed.media.kyoto-u.ac.jp!news.neu.edu.cn!SJTU From: ppsm.bbs@bbs.sjtu.edu.cn (����) Newsgroups: cn.bbs.comp.lang.java Subject: Re: �����PreparedStatement��java��ʵ����ݿ�� Date: 22 Jul 2003 03:16:09 GMT Organization: ��ˮ˼Դ Message-ID: <47MFSV$AKT@bbs.sjtu.edu.cn> Mime-Version: 1.0 Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: 8bit X-Filename: Java/M.1058843743.A Lines: 24