Relationships; the key to data integrity; tables, forms, queries, reports; advanced VBA techniques; objects, properties, and events; data access objects; debugging; handling run-time errors; creating a generic error-handler; optimizing applications; developing for a multi-user environment; transaction processing; utilizing external data; client/server techniques; communicating with other applications; creating your own libraries; external functions - the Windows API; database security made easy; complex security issues; documenting your system; database maintenance.