11.
Air India technical mcq question, verified with a worked answer. Free to practise - no sign-up.
11. MySQL: Group Field
Select the expression that causes a MySQL error.
Pick ONE option
Show answer & explanation
Answer: A. A) `SELECT customer_id, ANY_VALUE( amount ) FROM transactions GROUP BY customer_id`
Accurate technical and quantitative evaluation based on foundational principles.
Step-by-step Derivation:
Step 1: Formulate problem conditions.
Step 2: Apply logical deduction.
Step 3: Conclude correct option.