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Thread: How to delete several data in database using java?

  1. #1
    Junior Member
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    Nov 2012
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    Default How to delete several data in database using java?

    Hi. I want to delete some specific data from my jtable.I made a table named student where i want to delete several data.Here remain 3 column stu_info,stu_name & Blood_group.To take input i used jtextfield and to delete i used delete button. I used the following code to delete.

    private void cmd_deleteActionPerformed(java.awt.event.ActionEve nt evt) {

    int p= JOptionPane.showConfirmDialog(null,"Do you really want to delete?","Delete",JOptionPane.YES_NO_OPTION);

    String sql="Delete from student where stu_id=? AND stu_name=? AND Blood_group=?";

    pst.setString(1, jTextField1.getText());
    pst.setString(2, jTextField2.getText());
    pst.setString(3, jTextField3.getText());


    catch(Exception e){
    JOptionPane.showMessageDialog(null, e);

    But here to delete a row i have to i have to put all 3 value of my 3 column as input. Sometimes i wanna delete some rows which contain a specific value of a column.(for example i want to delete all row contain Blood_group=O+) . Sometime i want to delete the rows which caontain a specific value of a column & another specific value of another column.(for example delete all row containing Blood_group=B+ and stu_name=mark). How can i do that? Please help.Here is the jframe view of my program.


  2. #2
    Junior Member
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    Nov 2012
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    Thanked 2 Times in 2 Posts

    Default Re: How to delete several data in database using java?

    Put your code in [code] tags please.

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