Cannot build aggregates

Hi,
For which chars we cannot build aggregates.

Hello,
In general, you can create aggregates on any characteristics defined in the InfoCube.
the following documents can clarify your questions,
https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/cbd2d390-0201-0010-8eab-a8a9269a23c2
https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/3f66ba90-0201-0010-ac8d-b61d8fd9abe9
Assign points if helpful.
Regards,
karthik

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    Hi
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    Hi ,
    we prefer aggregrates for the query performance improvement substantially .
    Based on the two thumb rules we will go for the aggregate def .
    a ) if the no of records that r fetched from the database is ten times more than
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