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Returns a Ingres II link resource on success, or FALSE on failure.
ingres_connect() opens a
connection with the Ingres database designated by database, which follows the syntax
[node_id::]dbname[/svr_class].
If some parameters are missing,
ingres_connect() uses the values in
php.ini for
ingres.default_database,
ingres.default_user, and
ingres.default_password.
The connection is closed when the script ends or when
ingres_close() is called on this link.
All the other ingres functions use the last opened link
as a default, so you need to store the returned value only if
you use more than one link at a time.
See also ingres_pconnect() and
ingres_close().