Chapter Quiz: Data Querying (SELECT) & Logical Execution

Data Querying (SELECT)

Complete this assessment with 100% score to master this chapter.

01Which of the following clauses is executed FIRST in the logical SQL processing pipeline?

02Why is 'WHERE YEAR(created_at) = 2024' considered a non-SARGable predicate?

03Why can you NOT use a SELECT alias (e.g., AS double_salary) in a WHERE clause?

04What is the performance risk of using a very large OFFSET (e.g., OFFSET 1,000,000) for pagination?

05Which of the following is a 'SARGable' predicate that allows the database engine to perform an O(log N) index seek?