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How to select the first row/line from database – Phpmyadmin

I am trying to make a java program program can takes just one row/line from phpMyAdmin database. what I mean is in the photo enter image description here

The problem is that I couldnt figure out how to take just the first line because its always keep giving me all the id’S , dafat’s , etc. Is there any way I can get every line alone or even every data alone (jsut 1 id from the first line for example). I would appreciate who can help me with this.

 Connection con = myConnection.getconnection();
    try{
        PreparedStatement ps = con.prepareStatement("SELECT `id`, `dafat`, `sinif`, `adet`, `price`, `type`, `total` FROM "+ff1+"  WHERE 1 ");
        ResultSet resultset = ps.executeQuery();
        System.out.println(resultset.getString("id"));


    }
    catch (Exception e) {

    }
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3

Answers


  1. 0

    Use the LIMIT clause:

    PreparedStatement ps = con.prepareStatement(
  "SELECT `id`, `dafat`, `sinif`, `adet`, `price`, `type`, `total` FROM "
    + ff1 + " LIMIT 1");

    If you want the first id value (the smallest one) you can combine with ORDER BY, as in:

    PreparedStatement ps = con.prepareStatement(
  "SELECT `id`, `dafat`, `sinif`, `adet`, `price`, `type`, `total` FROM "
    + ff1 + " ORDER BY id LIMIT 1");
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  2. 0

    Replace WHERE whit LIMIT

    PreparedStatement ps = con.prepareStatement("SELECT `id`, `dafat`, `sinif`, `adet`, `price`, `type`, `total` FROM "+ff1+" ORDER BY id  LIMIT 1 ");
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  3. 0

    Use Rownum in your where clause like: 

    "SELECT * FROM all_objects WHERE rownum < 2"

    https://mfaisal1521.blogspot.com/2020/04/rownum-in-sql.html

    And also resultset.getString(“id”) start fetch result from first index of query untill we dont move our cursor to next resultset.

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