Вы искали: dsn (Английский - Корейский)

file dsn
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create a user or system dsn in your odbc administrator, located in the control panel.
create a user or system dsn in your odbc administrator, located in the control panel. make up a dsn name, enter your hostname, user name, password, port, etc for you mysql database configured in step 1.

future requests for a connection with the same dsn, user, password combination (via odbc_connect() and odbc_pconnect()) can reuse the persistent connection.
returns an odbc connection id or 0 (false) on error. this function is much like odbc_connect(), except that the connection is not really closed when the script has finished. future requests for a connection with the same dsn, user, password combination (via odbc_connect() and odbc_pconnect()) can reuse the persistent connection.