Clearing Magento Log Data

Question

I have a question regarding clearing of the log data in Magento.

I have more than 2.3GB of data in Magento 1.4.1, and now I want to optimize the database, because it

Answer 1

TRUNCATE `log_url_info`;
TRUNCATE `log_visitor_info`;
TRUNCATE `index_event`;
TRUNCATE `log_visitor`;
TRUNCATE `log_url`;
TRUNCATE `report_event`;
TRUNCATE `dataflow_batch_import`;
TRUNCATE `dataflow_batch_export`;

I just use it.