What statements are true about null values? Multiple answers are possible.

Practice More Questions From: Concept Quiz for Module 3

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A CHECK constraint involves

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In a column specification of the CREATE TABLE statement, you must specify

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In a column specification, a default value specification is required.

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How is a M-N relationship represented in a relational database?

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What statements are true about null values? Multiple answers are possible.

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What is the difference between the primary key for a table and candidate keys for the same table?

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Relationships in relational databases are represented

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How is a 1-M self-referencing relationship represented in a relational database?

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Names are required for constraints in the CREATE TABLE statement.

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What keyword(s) indicates a candidate key that is not the primary key?

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