(no version information, might be only in CVS)
The PDO_MYSQL Data Source Name (DSN) is composed of the following elements:
The DSN prefix is mysql:.
The hostname on which the database server resides.
The port number where the database server is listening.
The name of the database.
The MySQL unix socket (shouldn't be used with host or port).
Пример 1. PDO_MYSQL DSN examples
The following example shows a PDO_MYSQL DSN for connecting to MySQL databases:
mysql:host=localhost;dbname=testdb
mysql:host=localhost;port=3307;dbname=testdb mysql:unix_socket=/tmp/mysql.sock;dbname=testdb
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MySQL (PDO)