Fastest way for this query (What is the best strategy) given a date range

Question

I have a table A that has a startDate and an end dateDate as 2 datetime columns besides some more other columns. I have another table B that has one datetime column call it

Answer 1

You need 3 indexes A.startDate, B.dates and A.endDate, may be index (A.endDate+A.startDate) is also good. I have no details on another columns and purposes for these tables, but review possibility to use clustered index.

In anyway use "Execution plan" option to make decision between all these variants, because my suggestion is too general