Name Three Disadvantages Hbase Has As Compared To Rdbms?

1.	Name Three Disadvantages Hbase Has As Compared To Rdbms?
Answer» HBASE does not have in-built authentication/permission mechanism The indexes can be CREATED only on a KEY column, but in RDBMS it can be DONE in any column. With one HMaster node there is a SINGLE point of failure.

Answer»

HBASE does not have in-built authentication/permission mechanism
The indexes can be CREATED only on a KEY column, but in RDBMS it can be DONE in any column.
With one HMaster node there is a SINGLE point of failure.

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