• php
  • 1967
  • 20-3-2008
  • [L]The UPDATE statement is used to modify data in a database table. -------------------------------------------------------------------------------- Update Data In a Database The UPDATE statement is used to modify data in a database table. Syntax
    UPDATE table_name
    SET column_name = new_value
    WHERE column_name = some_value 
    Note: SQL statements are not case sensitive. UPDATE is the same as update. To get PHP to execute the statement above we must use the mysql_query() function. This function is used to send a query or command to a MySQL connection. Example Earlier in the tutorial we created a table named "Person". Here is how it looks:
    image
    The following example updates some data in the "Person" table:
    <?php
    $con = mysql_connect("localhost","peter","abc123");
    if (!$con)
      {
      die('Could not connect: ' . mysql_error());
      }
    mysql_select_db("my_db", $con);
    mysql_query("UPDATE Person SET Age = '36'
    WHERE FirstName = 'Peter' AND LastName = 'Griffin'");
    mysql_close($con);
    ?>
    After the update, the "Person" table will look like this:
    image
    [/L]
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