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MCQ

The result of _____unknown is unknown.

Xor

And

Not

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SQL applies predicates in the _______ clause after groups have been formed, so aggregate functions may be used.

Group by

With

Where

Having

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How can you find rows that do not match some specified condition?

EXISTS

Double use of NOT EXISTS

NOT EXISTS

None of the mentioned

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MCQ

A primary key if combined with a foreign key creates

Parent-Child relationship between the tables that connect them.

Many to many relationship between the tables that connect them.

Network model between the tables that connect them.

None of the above.

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MCQ

Foreign key is the one in which the ________ of one relation is referenced in another relation.

Foreign key

Primary key

References

Check constraint

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MCQ

Which of the following is not an aggregate function?

Avg

Sum

With

Min

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category More Database Management System Topics

Miscellaneous or General

Relational Algebra

Database Systems

Data Models

The Relational Database Model

Entity Relationship (ER) Modeling

Advanced Data Modeling

Normalization

Structured Query Language (SQL)

Advanced SQL

Database Design

Transaction and Concurrency

Data Warehouses

Database Administration

Mixed

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More Database Management System Topics