This function will execute a valid txtSQL command and return that function's results. The list of valid $action's are
'select',
'insert',
'update',
'delete',
'show databases',
'create database',
'drop database',
'rename database',
'show tables',
'create table',
'drop table',
'alter table',
and 'describe'.
The $args is the same arguments as if you were using the function seperately. Click a function for more information on what is to be defined in the $args
Note- For more information on defining a where clause, see the how to create a where clause section, or for defining a limit clause, see
how to create a limit clause section
Note- If no $db is specified and no database is already selected, txtSQL will issue an error
