Database Systems Competitive Exam MCQs – Practice Test 5 (Chapter 22)

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The MCQ: Relational database products have special 'bulk loader' utilities to insert a; "Database Systems MCQs" App Download [Free] with answers: large set of tuples into a relation, set of tuples into a relation, small set of tuples into a relation, and set of large tuples into a relation to learn software engineering courses. Solve Data Storage and Querying Quiz Questions, download Google e-Book (Free Chapter) for software engineering online courses.

SQL Interview Questions and Answers MCQs – Practice Test 5 PDF Download

MCQ: 21

Relational database products have special 'bulk loader' utilities to insert a

Set of tuples into a relation
Large set of tuples into a relation
Small set of tuples into a relation
Set of large tuples into a relation

MCQ: 22

In the select evaluation of insertion, if the relation did not have a primary key constraint, the problem encountered would be of

Consistency
Integration
Syntax
Redundancy

MCQ: 23

Scalar subqueries are useful in SQL update statements, where they can be used in the

Select clause
From clause
Where clause
Set clause

MCQ: 24

The command for increase in annual salary are being made, and salaries of all instructors are to be increased by 5 percent, would be

update instructor
set salary=salary * 1.05;
update instructor
set salary=salary * .05;
update into instructor
set salary=salary * .05;
update to instructor
set salary=salary * 1.05;

MCQ: 25

The simplest insert statement is a request to insert

One attribute
One tuple
One variable
One instance

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