(PHP 4, PHP 5, PHP 7) Set field offset bool msql_field_seek

(PHP 4, PHP <=5.2.0) Returns the current file or seek position

(PHP 5 < 5.4.0, PECL sqlite >= 1.0.0) Closes an open SQLite database

(PHP 5 >= 5.1.0 and < 5.4.0) Returns the current row index

(PECL maxdb >= 1.0) Returns the error code from last connect call

(PECL mongo >=1.0.8) Stores a file in the database

(PECL ibm_db2 >= 1.0.0) Returns the name of the column in the result set

(PHP 5, PHP 7) Get MySQL client info string

(PHP 4, PHP 5, PECL odbtp >= 1.1.1) Returns the last message from the server

(PHP 4, PHP 5, PHP 7) Check whether key exists