What Are the Keywords CHECK, UNIQUE, and NOT NULL Referred

question 13

Multiple Choice

What are the keywords CHECK, UNIQUE, and NOT NULL referred to as?

• A)limits
• B)keys
• C)constraints
• D)references

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Definitions:

Unipolar Depression

A major depressive disorder characterized by a persistent feeling of sadness or lack of interest in external stimuli, without the manic episodes associated with bipolar disorder.

Psychotherapies

A variety of therapeutic techniques utilized to improve an individual's mental health and alleviate psychological disorders by speaking with a therapist.

Bipolar II Disorder

A type of bipolar disorder marked by mild manic (hypomanic) and major depressive episodes.

Bipolar I Disorder

A type of bipolar disorder marked by full manic and major depressive episodes.