(PHP 4 >= 4.0.6, PECL yaz:0.9-1.0.9)
yaz_database — Specifies the databases within a session
This function allows you to change databases within a session by specifying one or more databases to be used in search, retrieval, etc. - overriding databases specified in call to yaz_connect().
The connection resource returned by yaz_connect().
A string containing one or more databases. Multiple databases are separated by a plus sign +.
Returns TRUE on success or FALSE on failure.