Answer / swetha

Grouping of session is known as batch.Batches are two types

Sequential: Runs sessions one after the other

Concurrent: Runs session at same time.

If you have sessions with source-target dependencies you
have to go for sequential batch to start the sessions one
after another.If you have several independent sessions you
can use concurrent batches Which runs all the sessions at
the same time.

Answer / srikanth nallapati

the above answer was good .any way simply ---->if
dependency is there bittween session's means u should go
for seq batch

if dependency is not there bittween session's means u
should go for concu.. batch

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