Database Systems Admission Tests: Practice Test 8 (Chapter 15)

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The Introduction to SQL Notes Questions and Answers PDF (Introduction to SQL Quiz Answers PDF e-Book) download Ch. 15-8 to learn Database Systems Course. Solve SQL Data Definition MCQs, Introduction to SQL MCQs questions and answers PDF to learn online classes courses. The Database Systems Notes App Download: Free Introduction to SQL App to learn aggregate functions, basic structure of sql queries career test for online computer science schools.

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Introduction to SQL Test Questions and Answers PDF Download: MCQ 8

MCQ: 36

The command to delete the relation is

Delete from *example*
Delete about *example*
Abort from *example*
Abort about *example*

MCQ: 37

We define an SQL relation by using the command

create table
define table
namespace
name table

MCQ: 38

The number of error(s) in the following query is/are:
select avg (salary)
from instructor;
where dept name=Comp. Sci.

MCQ: 39

The aggregate operations, when an empty collection is applied on the function, return a

0
1
Undefined value
Null value

MCQ: 40

The result relation has all attributes from all the relations in the

Select clause
IN clause
From clause
Define clause

Introduction to SQL Admission Tests: Database Systems App & eBook Notes

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