Database Systems MCQs – Practice Test 41 (Chapter 15)

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Learn Introduction to SQL Multiple Choice Questions (MCQs) with Answers PDF to excel in database systems. Download the Introduction to SQL MCQs PDF e-Book, Ch. 15-41 to study Database Systems Course. Practice Aggregate Functions MCQs, Introduction to SQL Notes questions and answers PDF for DBMS internet learning. Download the Introduction to SQL MCQs App: Free Database Systems Learning App to study sql data definition, basic structure of sql queries, additional basic operations career test for database management education.

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Introduction to SQL MCQs – Practice Test 41 PDF Download

MCQ 201: The aggregate functions, which mean exactly what you would intuitively expect, is known to be:

Avg
min/max
Sum/count
Some/every

MCQ 202: When comparing two values of type char, if they are of different lengths, then for comparison:

Extra bits are added
Extra characters are added
Extra spaces are added
Special characters are added

MCQ 203: In the formal, mathematical definition of the relational model, a relation is a:

Set
Table
Procedure
Method

MCQ 204: In SQL, the aggregate function of count(*) is not allowed to be used along with:

Like clause
Distinct clause
Select clause
Define clause

MCQ 205: A select clause of the form select * indicates that all the selected attributes of the result relation of the:

Define clause
From clause
Where clause
Create clause

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