One way to establish a connection with MariaDB is a binary file using mysql at the command prompt.
MySQL script
See the examples given below.
[root@host]# mysql -u root -p
Enter password:***Code MariaDB given above and connected to a command prompt to execute SQL commands. After entering the code, you will see a welcome message, indicating a successful connection, and displays the version number.
Welcome to the MariaDB monitor. Commands end with ; or g.
Your MariaDB connection id is 122323232
Server version: 5.5.40-MariaDB-log
Type 'help;' or 'h' for help. Type 'c' to clear the current input statement.
mysql>This example uses the root access, but of course, any user with access rights and prompt MariaDB perform operations.
Disconnect command via the exit MariaDB as follows -
mysql> exitConnect PHP script
Another way to connect to and disconnect MariaDB is PHP scripting. PHP provides for opening the database connection mysql_connect()function.
It uses five optional parameter and returns a link identifier MariaDB after a successful connection, or return false on the connection failed. It also provides for closing the database connection
mysql_close()function, which uses a single parameter.
grammar
Review the following connection PHP script syntax
connection mysql_connect(server,user,passwd,new_link,client_flag);Parameters described below
| No. | Parameters and Descriptions |
|---|---|
| 1 | server This optional parameter specifies the host name of the database server is running. The default value "localhost: .3036". |
| 2 | user This optional parameter specifies the user name to access the database. The default value is the owner of the server. |
| 3 | passwd This optional parameter specifies the user's password. The default value is empty. |
| 4 | new_link This optional parameter specifies the second call with the same arguments mysql_connect () when, instead of a new connection, returns the identifier of the current connection. |
| 5 | client flags - flag clients This optional parameter in combination with the following constant value
|
Please see below given off PHP script syntax -
bool mysql_close ( resource $link_identifier );If you omit the resource, the recently opened resource will be closed. It returns true if successfully closed or false.
The following sample code attempts to connect the server MariaDB -
<html>
<head>
<title>Connect to MariaDB Server</title>
</head>
<body>
<?php
$dbhost = 'localhost:3036';
$dbuser = 'guest1';
$dbpass = 'guest1a';
$conn = mysql_connect($dbhost, $dbuser, $dbpass);
if(! $conn ) {
die('Could not connect: ' . mysql_error());
}
echo 'Connected successfully';
mysql_close($conn);
?>
</body>
</html>After a successful connection, you will see the following output
mysql> Connected successfullyThis switched: http: //codingdict.com/article/7096