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PHP Quiz PHP CertificatePHP mysql_select_db() Function
Complete PHP MySQL Reference
Definition and Usage
The mysql_select_db() function sets the active MySQL database.
This function returns TRUE on success, or FALSE on failure.
Syntax
mysql_select_db(database,connection)
| Parameter | Description |
|---|---|
| database | Required. Specifies the database to select. |
| connection | Optional. Specifies the MySQL connection. If not specified, the last connection opened by mysql_connect() or mysql_pconnect() is used. |
Example
<?php
$con = mysql_connect("localhost", "peter", "abc123");
if (!$con)
{
die('Could not connect: ' . mysql_error());
}
$db_selected = mysql_select_db("test_db", $con);
if (!$db_selected)
{
die ("Can\'t use test_db : " . mysql_error());
}
mysql_close($con);
?>
$con = mysql_connect("localhost", "peter", "abc123");
if (!$con)
{
die('Could not connect: ' . mysql_error());
}
$db_selected = mysql_select_db("test_db", $con);
if (!$db_selected)
{
die ("Can\'t use test_db : " . mysql_error());
}
mysql_close($con);
?>
Complete PHP MySQL Reference
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