What does the Database mode in Workstation mean?

Issue

What does the "Database mode" in Workstation mean?

Product Line

SmartStruxure Solution

Environment

StruxureWare Building Operation version 1.2

Cause

When "Database mode" is set reading and writing of values will only be from and to the database, no values from the devices will be read or written.
But when setting up a subscription in for example a graphic or the watch window it is always online values not database values.

Resolution

When "Database mode" is set reading and writing of values will only be from and to the database, .