Create Aggregation Relections

1

try to use " ALTER DATASET* < DATASET_PATH > CREATE AGGREGATE REFLECTION < REFLECTION_NAME > ." but receive error “Not authorized to change SYSTEM options”. What does it mean?

2

@Mice

Are you able to create the reflection by opening the dataset and via the UI?

3

how to create by UI?

4

@Mice

Can you please click on help-about and send us a screenshot?