Describe the delete set-to-default option (for implementing a referential integrity constraint).
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Q21: Describe the update set-to-null option (for implementing
Q22: HAPPY INSURANCE
Observe the HAPPY INSURANCE DATABASE:
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Q23: Using an input mask such as DD/MM/YYYY
Q24: Most RDBMS packages implement assertions using the
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Observe the HAPPY INSURANCE DATABASE:
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Q28: A web site can be an interface
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Observe the HAPPY INSURANCE DATABASE:
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Q30: HAPPY INSURANCE
Observe the HAPPY INSURANCE DATABASE:
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Q31: HAPPY INSURANCE
Observe the HAPPY INSURANCE DATABASE:
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Q135: What is the purpose of an index?
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