Programming Microsoft Dynamics NAV - Fifth Edition
by Marije Brummel, David Studebaker, Christopher D. Studebaker
Virtual
The Virtual table type is computed at runtime by the system. A Virtual table contains data and is accessed like other tables, but we cannot modify either the definition or the contents of a Virtual table. We can think of the Virtual tables as system data presented in the form of a table so it is readily available to C/AL code. Some of these tables (such as the Database File, File, and Drive tables) provide access to information about the computing environment. Other Virtual tables (such as Table Information, Field and Session tables) provide information about the internal structure and operating activities of our database. A good way to learn more about any of these tables is to create a list or card page bound to the table of interest. ...
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