Hi,

About BATCH, the Apache doc 
https://cassandra.apache.org/doc/latest/cql/dml.html?highlight=atomicity says :

"The BATCH statement group multiple modification statements (insertions/updates 
and deletions) into a single statement. It serves several purposes:
...
All updates in a BATCH belonging to a given partition key are performed in 
isolation"

Is "All updates" meaning equivalent to "All modifications (whatever it's 
sources: INSERT or UPDATE statements)" ?

Or, is "updates" meaning partition-level isolation only for UPDATE statements 
into the batch (w/o taking into isolation the INSERT other statements into the 
batch) ?

Thanks

Regards
Dominique

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