Categorized | MySQL

How do I make my MySQL table automatically make a timestamp when new data is added?

Posted on 19 February 2010 by Abidoon

I am trying to create a MySQL table with three columns. Two colummns are for data and a third the time at which the data is inserted. When I create the table, how do I write out the command to tell MySQL to create a timestamp column?

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3 Responses to “How do I make my MySQL table automatically make a timestamp when new data is added?”

  1. Edwin M says:

    in your SQL query, use the mysql function curdate()

    example:

    INSERT INTO table (column, date, column) VALUES (‘value’, curdate(), ‘value’)

  2. just "JR" says:

    First, don’t use “timestamp”: that is UNIX time stamp: the number of seconds since January 1 1970 00:00:00 GMT

    Set the column variable as “datetime” type with the default value 0000-00-00 00:00:00 (for a format YYYY:MM:DD HH:MM:SS), and call this column “datum” (don’t use “date”, “datetime” or “timestamp”!: reserved words)
    Advantage of this format: easy sorting!

    When inserting, use:
    $datum = date ( “Y-m-d H:i:s”);
    This will get current time and date, correctly formatted.
    Your sql:
    $sql = “insert into `tablename` (`field1`,`field2`,`datum`)
    values (‘ ” . $f1val . ” ‘ , ‘ ” . $f2val . ” ‘ , ‘ ” . $datum . ” ‘ ) “;

  3. nore h says:

    < ?php
    if (!isset($_POST['submit'])) {
    ?>

    Table Name:
    Column 1:
    Column 2:
    Column 3:

    < ?php
    } else {
    $table = $_POST['table'];
    $col1 = $_POST['col1'];
    $col2 = $_POST['col2'];
    $col3 = $_POST['col3'];
    mysql_query("CREATE TABLE $table(
    id INT NOT NULL AUTO_INCREMENT,
    PRIMARY KEY(id),
    time TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL,
    $col1 VARCHAR(50),
    $col2 VARCHAR(90),
    $col3 VARCHAR(200))")
    or die(mysql_error());

    echo "Success! Your table "$table" has been created!";

    }
    ?>


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