Database Redesign MCQs

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Practice free Database Redesign multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 40 questions — no login required.

Question 37medium

Adding null columns to a table is straightforward.

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Question 38hard

The NOT EXISTS keyword will be true if any row in the subquery meets the condition.

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Question 39hard

Dependency graphs are diagrams that consist of nodes and arcs that show the dependencies of a database.

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Question 40hard

The EXISTS keyword will be true if any row in the subquery meets the condition.

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