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Which of the following is not an integrity constraint?

Not null

Positive

Unique

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negative which of the following should be used?

Check

Alter

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Aggregate functions are functions that take a ___________ as input and return a single value.

Collection of values

Single value

Aggregate value

Both Collection of values & Single value

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MCQ

Some of these insert statements will produce an error. Identify the statement.

Insert into employee values

None of the mentioned

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MCQ

Control who is allowed access to the data

Ensure that duplicate records are not entered into the table

Improve the quality of data entered for a specific property

Prevent users from changing the values stored in the table

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MCQ

In contemporary databases, the top level of the hierarchy consists of ______ each of which can contain _____

Catalogs, schemas

Schemas, catalogs

Environment, schemas

Schemas, Environment

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Banking

Engineering

General

Medical

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Banking

Engineering

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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

Similar Questions

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