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Integrity Constraints Quizzes Online MCQs p. 104

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"Currently, no widely used database systems supports constructs of", integrity constraints Multiple Choice Questions (MCQ) with choices create validity, create check, create assertions, and create domain for online computer science and engineering. Learn sql concepts and queries questions and answers with free online certification courses to learn free online courses.

Integrity Constraints Questions and Answers

1.

Currently, no widely used database systems supports constructs of

create check
create validity
create assertions
create domain

2.

In the user-defined constraints on generalization, the lower level entity sets can be of type

2 types
3 types
4 types
5 types

3.

A connection is opened using the getConnection method of the

Driver-Manager class
Driver-Builder class
Build-Manager class
Built-in class

4.

The outer join basically have forms of operation of

2 types
3 types
4 types
5 types

5.

The basic data type, a fixed-length string with user-specified length, is said to be

char
varchar
smallint
float