Which two statements are true regarding table compression?

Which two statements are true regarding table compression? (Choose two.)

Which two statements are true regarding table compression? (Choose two.)

A.
It requires uncompress operation during I/O

B.
It saves disk space and reduces memory usage

C.
It saves disk space but has no effect on memory usage

D.
It incurs extra CPU overhead during DML but not direct loading operations

E.
In incurs extra CPU overhead during DML as well as direct loading operations



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