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MCQ

Which of the following invokes functions in sql?

Prepared Statements

Connection statement

Callable statements

All of the mentioned

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Why does this statement cause an error when QUANTITY values are null?

The expression attempts to divide by a null value

The data types in the conversion function are incompatible

The character string none should be enclosed in single quotes

A null value used in an expression cannot be converted to an actual value

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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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The ________ keyword is used to access attributes of preceding tables or subqueries in the from clause.

Lateral

Having

With

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Which of the following is the right syntax for the assertion?

Create assertion

Create assertion check

Create assertions

All of the mentioned

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If we do want to eliminate duplicates, we use the keyword ______in the aggregate expression.

Distinct

Count

Avg

Primary key

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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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Community Discussion

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More Database Management System Topics