The CUSTOMER Table's Primary Key Is CUS_CODE

question 45

Multiple Choice

The CUSTOMER table's primary key is CUS_CODE. The CUSTOMER primary key column has no null entries, and all entries are unique. This is an example of _____ integrity.

• A) entity
• B) referential
• C) relational
• D) null

Distinguish between different sleep disorders and their symptoms.

Analyze the impact of work schedules and lifestyles on sleep quality and circadian rhythms.

Discuss the evolutionary and restoration theories of sleep and their significance.

Recognize the relationship between sleep and memory consolidation.

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