Multiple choice technology databases

During a hierarchical query, Oracle always processes the WHERE clause before the CONNECT BY clause.

  1. True

  2. False

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

In hierarchical queries (CONNECT BY), Oracle processes CONNECT BY first to build the hierarchy, then applies WHERE to filter the results. WHERE operates on the hierarchy tree after it's constructed, not before. This order matters for filtering parent-child relationships.