(PHP 4 <= 4.1.0, PECL dbplus >= 0.9) Get error string for given errorcode or last error

(PHP 4 >= 4.3.0, PHP 5, PHP 7) Select records

(PHP 5, PHP 7) Frees the memory associated with a result

(PECL mongo >=1.3.0) Connects to a database server

(PHP 4, PHP 5, PHP 7, PECL OCI8 >= 1.0.0) Alias of

(PHP 4, PHP 5, PHP 7) Optimize database bool

(PHP 4, PHP 5, PHP 7) Open persistent Sybase connection

(PHP 4, PHP <=5.2.0) Releases resources for the query

(PHP 4 >= 4.2.0, PHP 5, PHP 7) Get asynchronous query result

(PECL mongo >=0.9.0) Create a new cursor public