Development
How do Select Database Example in PHP & MySQL
PHP uses mysqli_select_db function to select the database on which queries are to be performed. This function takes two parameters and returns TRUE on success or FALSE on failure.
Syntax
mysqli_select_db ( mysqli $link , string $dbname ) : bool
| Sr.No. | Parameter & Description |
|---|---|
| 1 | $link Required - A link identifier returned by mysqli_connect() or mysqli_init(). |
| 2 | $dbname Required - Name of the database to be connected. |
Example
Try the following example to select a database −
Copy and paste the following example as mysql_example.php −
Selecting MySQL Database
'; $retval = mysqli_select_db( $conn, 'TUTORIALS' ); if(! $retval ) { die('Could not select database: ' . mysqli_error($conn)); } echo "Database TUTORIALS selected successfully\n"; mysqli_close($conn); ?>
Output
Access the mysql_example.php deployed on apache web server and verify the output.
Database TUTORIALS selected successfully
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