Question 18: Which expression is not correct?
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Question 18: Which expression is not correct?
Pick ONE option
Show answer & explanation
Answer: A. A) A column might have a foreign key reference to itself.
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.