mysqli_select_db mysqli->select_db() Selects the default database for database queries &reftitle.description; Procedural style: boolmysqli_select_db mysqlilink stringdbname Object oriented style (method): mysqli boolselect_db stringdbname Selects the default database to be used when performing queries against the database connection. 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.parameters; &mysqli.link.description; dbname The database name. &reftitle.returnvalues; &return.success; &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(); ?> ]]> Procedural style ]]> &example.outputs; &reftitle.seealso; mysqli_connect mysqli_real_connect