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MySQL Table Column Names

Posted on 2014-07-26
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Last Modified: 2014-07-26
Is there a way to get the array of column names from a MySQL table?

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Question by:Richard Korts
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Ray Paseur earned 2000 total points
ID: 40221941
I believe it's SHOW COLUMNS.
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Expert Comment

by:Ray Paseur
ID: 40221948
This is from an old script.  No professional would use the MySQL extension any more, but it can be mapped into the currently supported extensions by following the guidance in this article.  The query and the theory are still accurate.
http://www.experts-exchange.com/Web_Development/Web_Languages-Standards/PHP/PHP_Databases/A_11177-PHP-MySQL-Deprecated-as-of-PHP-5-5-0.html

// GET THE COLUMN NAMES
$sql = "SHOW COLUMNS FROM books";
if (!$res = mysql_query($sql))
{
    $errmsg = mysql_errno() . ' ' . mysql_error();
    echo "<br/>QUERY FAIL: ";
    echo "<br/>$sql <br/>";
    trigger_error($errmsg, E_USER_ERROR);
}
if (mysql_num_rows($res) == 0)
{
    echo "TABLE books HAS NO COLUMNS";
}
else
{
    // MAN PAGE: http://php.net/manual/en/function.mysql-fetch-assoc.php
    while ($show_columns = mysql_fetch_assoc($res))
    {
        $my_columns[] = $show_columns["Field"];
    }
    // SEE THE COLUMN NAMES
    var_dump($my_columns);
}

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