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considering the performance issue how to fetch the data based on non primary key fields from pooled and clustered tables where we can not create the secondary index?

Hi Team,

 

as we know generally we create the secondary index when we have to read the data from a data base table based on non primary key fields to improve the performance . but in case of pooled and clustered  tables we can't create the secondary index then in that case what we do? in case of we need to read the data based on non primary key fields?

 

Thanks.


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