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 I am from an SQL background was looking for the best way of doing this.

c = a.account_id.isin(b.account_id).astype(bool) 


Is the above method efficient way?

1 Answer

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by (36.8k points)
edited by

Yes, it is, but we can put them into one row, and you do not need to convert isin output as bool since it is already bool type.


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