Practice More Questions From: Concept Quiz for Module 3
Q:
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.
Q:
What keyword(s) indicates a candidate key that is not the primary key?
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