Fwd: Query execution time

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Hello dear MontDB users,

I have a question please, I just need to get the query execution time without showing the results of the query (for performance comparaison) . Something which corresponds to the "traceonly" in Oracle. that will be greate if I can see the query plan but for the moment the most important for me is to get the query execution time.

for example: I want to know the query exection time of this query (select * from source where a>10) knowing that I have more than one hundred million records which correspond to this predicate.

Thank in advace for your appreciated help.

Baraa