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This is documentation for Caché & Ensemble.

For information on converting to InterSystems IRIS, see the InterSystems IRIS Adoption Guide and the InterSystems IRIS In-Place Conversion Guide, both available on the WRC Distributions page (login required).

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Defines a conditional index and specifies the condition that must be met for a record to be included in the index.


This keyword is for migrating existing applications to Caché SQL and is not for use in new applications.

See Also