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Which of the following is a correct statement about entity integrity rule? Multiple Choice The rule is regarding how to use foreign keys. The rule

Which of the following is a correct statement about entity integrity rule?

Multiple Choice

  • The rule is regarding how to use foreign keys.

  • The rule is used to verify the type of data values in each table.

  • The rule requires each records primary key cannot be blank (null).

  • The rule allows each primary key must be used to link tables.

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