Records & selections
Records and selections are primary tools that allow 4D developers to access and handle data from the 4D database. They are legacy concepts. New developments are encouraged to rely on the modern ORDA architecture. However, they are still fully functional and are widely used in existing 4D developments.
Current Selection
Overview
Named Selections
Overview
Sets
Sets offer you a powerful, swift means for manipulating record selections. Besides the ability to create sets, relate them to the current selection, and store, load, and clear sets, 4D offers three standard set operations: