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Hibernate MCQs

Which one of the following statement is NOT true about single table inheritance strategy?

The single table strategy uses one table to contain all the possible state of a hierarchy

Single table strategy will be more wasteful of database space.

There shouldn't be any columns left unfilled in the single table strategy

The single table strategy is the most performance way in polymorphic queries and write operations.

Answer

Correct Answer: There shouldn't be any columns left unfilled in the single table strategy

Explanation:

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