IN vs. JOIN with large rowsets

Question

I\'m wanting to select rows in a table where the primary key is in another table. I\'m not sure if I should use a JOIN or the IN operator in SQL Server 2005. Is there any si

Answer 1

Ive always been a supporter of the IN methodology. This link contains details of a test conducted in PostgresSQL. http://archives.postgresql.org/pgsql-performance/2005-02/msg00327.php