maxdb_select_db

(no version information, might be only in CVS)

maxdb_select_db -- Selects the default database for database queries

Description

bool maxdb_select_db ( resource link, string dbname )

The maxdb_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.

Nota: This function should only be used to change the default database for the connection. You can select the default database with 4th parameter in maxdb_connect().

Return values

Retorna TRUE em caso de sucesso ou FALSE em falhas.

See also

maxdb_connect() maxdb_real_connect()

Example

Exemplo 1. Procedural style

<?php
$link
= maxdb_connect("localhost", "MONA", "RED");

/* check connection */
if (maxdb_connect_errno()) {
   
printf("Connect failed: %s\n", maxdb_connect_error());
   exit();
}

/* return name of current default database */
if ($result = maxdb_query($link, "SELECT SERVERDB FROM USERS WHERE USERNAME='MONA'")) {
   
$row = maxdb_fetch_row($result);
   
printf("Default database is %s.\n", $row[0]);
   
maxdb_free_result($result);
}

/* change db to world db */
maxdb_select_db($link, "XXXXXXXX");

/* return name of current default database */
if ($result = maxdb_query($link, "SELECT SERVERDB FROM USERS WHERE USERNAME='MONA'")) {
   
$row = maxdb_fetch_row($result);
   
printf("Default database is %s.\n", $row[0]);
   
maxdb_free_result($result);
}

maxdb_close($link);
?>

The above examples would produce the following output:

Default database is DB76.

Warning: maxdb_select_db(): -10709 Connection failed (RTE:database not running) <...>

Warning: maxdb_query(): -10821 Session not connected [] <...>

Warning: maxdb_close(): -10821 Session not connected [] <...>