mysqli_select_db
mysqli->select_db
Selects the default database for database queries
Description
boolmysqli_select_db
mysqlilink
stringdbname
The mysqli_select_db function selects the default
database (specified by the dbname parameter) to be
used when performing queries against the database connection
represented by the link parameter.
This function should only be used to change the default database for the connection.
You can select the default database with 4th parameter in mysqli_connect.
&reftitle.returnvalues;
&return.success;
&reftitle.seealso;
mysqli_connect&listendand;
mysqli_real_connect.
&reftitle.examples;
Object oriented style
query("SELECT DATABASE()")) {
$row = $result->fetch_row();
printf("Default database is %s.\n", $row[0]);
$result->close();
}
/* change db to world db */
$mysqli->select_db("world");
/* return name of current default database */
if ($result = $mysqli->query("SELECT DATABASE()")) {
$row = $result->fetch_row();
printf("Default database is %s.\n", $row[0]);
$result->close();
}
$mysqli->close();
?>
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Procedural style
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&example.outputs;