Database Maintenance is usually the last thing on most people's mind, until something goes wrong and the database becomes corrupt. Some common reasons for database corruption are power failure and improper shutdown of an application. Daboo DBISAM Maintenance 4 was designed to repair corrupt DBISAM version 4.00 tables. It has the ability to verify and to optimize tables as well. The interface is very easy to use, and the source code is available at dienhart.com. For those still using DBISAM 3 tables, Daboo DBISAM Maintenance 3 is also available for download at dienhart.com.