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Configuration Parameter File Reference
NullSubscripts
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Enable/disable null subscripts on global references.
Synopsis
[Miscellaneous]    NullSubscripts=n
Description
The value n may be 1 or 0:
InterSystems recommends that this be set to 0.
Examples
NullSubscripts=0
Range of Values
0 or 1. The default is 0.
Management Portal
On the page System Administration > Configuration > Additional Settings > Compatibility, in the NullSubscripts row, select Edit. Choose true (selected) or false (cleared).