(PHP 4, PHP 5, PHP 7) Number of columns in a result

(PHP 4, PHP 5, PHP 7) Execute a prepared statement

(PHP 4 >= 4.0.5, PHP 5, PHP 7) Checks if multiple results are available

(PHP 4, PHP 5, PHP 7) Alias of

(PHP 4, PHP 5, PHP 7) Gets the primary keys for a table

(PHP 4, PHP 5, PHP 7) Handling of binary column data

(PHP 4, PHP 5, PHP 7) Lists columns and associated privileges for the given table

(PHP 4, PHP 5, PHP 7) Get the length (precision) of a field

(PHP 4, PHP 5, PHP 7) Retrieve information about parameters to procedures

(PHP 4, PHP 5, PHP 7) Connect to a datasource