Database: 2.5 Database Structure: The DB Map Item

You can designate a "map item" for a VM file with the routine DBSetMap() . You can recover the map item's group and handle at will by calling DBGetMap() . This is entirely separate from the file's map block; indeed, a VM file can have both a map block and a map item, and they may be set, locked, and changed independently.

The map routines are described in detail in Setting and Using the Map Item.

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2.4 Ungrouped DB Items | Next:

3 Using Database Routines