mysqli_select_db (PHP 5) mysqli_select_db (no version information, might be only in CVS) mysqli->select_db -- Selects the default database for database queries Descriptionbool mysqli_select_db ( mysqli link, string dbname )
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.
Note:
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().
Return Values
Returns TRUE on success or FALSE on failure.
ExamplesExample 1. Object oriented style |
<?php
$mysqli = new mysqli("localhost", "my_user", "my_password", "test");
if (mysqli_connect_errno()) {
printf("Connect failed: %s\n", mysqli_connect_error());
exit();
}
if ($result = $mysqli->query("SELECT DATABASE()")) {
$row = $result->fetch_row();
printf("Default database is %s.\n", $row[0]);
$result->close();
}
$mysqli->select_db("world");
if ($result = $mysqli->query("SELECT DATABASE()")) {
$row = $result->fetch_row();
printf("Default database is %s.\n", $row[0]);
$result->close();
}
$mysqli->close();
?>
|
|
Example 2. Procedural style |
<?php
$link = mysqli_connect("localhost", "my_user", "my_password", "test");
if (mysqli_connect_errno()) {
printf("Connect failed: %s\n", mysqli_connect_error());
exit();
}
if ($result = mysqli_query($link, "SELECT DATABASE()")) {
$row = mysqli_fetch_row($result);
printf("Default database is %s.\n", $row[0]);
mysqli_free_result($result);
}
mysqli_select_db($link, "world");
if ($result = mysqli_query($link, "SELECT DATABASE()")) {
$row = mysqli_fetch_row($result);
printf("Default database is %s.\n", $row[0]);
mysqli_free_result($result);
}
mysqli_close($link);
?>
|
|
The above example will output: Default database is test.
Default database is world. |
 add a note
User Contributed Notes
mysqli_select_db
There are no user contributed notes for this page.
|
|
mysqli_rpl_query_type
