query(“SELECT DATABASE()”); $row = $result->fetch_row(); printf(“Default database is %s.n”, $row[0]); /* change default database to “world” */ $mysqli->select_db(“world”); /* get the name of the current default database */ $result = $mysqli->query(“SELECT DATABASE()”); $row = $result->fetch_row(); printf(“Default database is %s.n”, $row[0]); <?php mysqli_report(MYSQLI_REPORT_ERROR | MYSQLI_REPORT_STRICT); $link = mysqli_connect("localhost", "my_user", "my_password", "test"); /* get the name of the current default database */ $result = mysqli_query($link, "SELECT DATABASE()"); $row = mysqli_fetch_row($result); printf("Default database is %s.n", $row[0]); /* change default database to "world" */ mysqli_select_db($link, "world"); /* get the name of the current default database */ $result = mysqli_query($link, "SELECT DATABASE()"); $row = mysqli_fetch_row($result); printf("Default database is %s.n", $row[0]);
The above examples will output:
Default database is test. Default database is world.