(PHP 5, PHP 7) Prepare a query for later binding of parameter placeholders and execution

(PHP 4 >= 4.0.6, PHP 5, PHP 7) Get a result row as an enumerated array

(PHP 4 >= 4.0.1, PHP 5, PHP 7) Enable tracing a PostgreSQL connection

(PECL maxdb >= 1.0) Set result pointer to a specified field offset

(PHP 4 >= 4.3.0, PHP 5, PHP 7) Fetch a result row as an associative array

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

(PECL maxdb >= 1.0) Returns the number of warnings from the last query for the given link

(PHP 5, PHP 7, PECL OCI8 >= 1.1.0) Prepares an Oracle statement for execution

(PECL ibm_db2 >= 1.0.0) Returns a result set listing stored procedure parameters

(PHP 5, PHP 7, PECL OCI8 >= 1.1.0) Rolls back the outstanding database transaction