(PHP 5, PHP 7, PECL OCI8 >= 1.1.0) Checks if a field in the currently fetched row is NULL

(PECL CUBRID >= 8.3.0) Get the number of rows in the result set

(PHP 4 >= 4.2.0, PHP 5, PHP 7) Returns the field number of the named field

(PECL maxdb >= 1.0) Closes a prepared statement

(PHP 5, PHP 7) Returns the number of columns for the most recent query

(PHP 5 >= 5.3.0, PHP 7) Fetches all result rows as an associative array, a numeric array, or both

(PHP 5 >= 5.1.0, PHP 7, PECL pdo >= 0.2.0) Set a statement attribute

(PECL CUBRID >= 8.3.0) Create a glo instance

(PHP 5, PHP 7, PECL OCI8 >= 1.1.0) Fetches the next row from a query into internal buffers

(PHP 4 >= 4.2.0, PHP 5, PHP 7) Open a large object