The Debea Database Access Library is a collection of interfaces that map C++ objects to relations in various SQL and file databases. The library uses a plug-in architecture to support various SQL RDBMSes and provides one simple interface for query processing and object serialization. There is a wrapper for wxWidgets that replaces the original dba API with a wx-friendly version.
wxAdvTable is a advanced table component designed with flexibility in mind, with clean MCV (Model-Controller-View) design. It has many advanced features like composite rows/columns, built-in sorting support, flexible rendering and editing support, dynamic row/columns add/removal, rows/columns highlight, and many visual features.