Stores "value" associated with key "attr". sqlrelay_debug=true or false will toggle debugging and AutoCommit=true or false will toggle autocommit.
Issues a commit. Raises a DBI::ProgrammingError if it failed.
Ends the current session.
Returns true if the database is up and false if it‘s down.
Prepare to execute query. Returns a Statement.
Issues a rollback. Raises a DBI::ProgrammingError if it failed.
[Validate]