Database Systems MCQs – Practice Test 38 (Chapter 15)

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Free "Database Systems MCQ" App Download (Android & iOS) with MCQ: Term that provides commands for defining relation schemas, deleting relations, and modifying relation schemas, known as; with answers: sql dml, sql ddl, view definition, and embedded sql. Practice Basic Structure of SQL Queries Quiz Questions, download Apple Book (Free Chapter) to develop IT careers.

Introduction to SQL MCQ – Practice Test 38 PDF Download

MCQ 186: The term that provides commands for defining relation schemas, deleting relations, and modifying relation schemas, known as:

SQL DDL
SQL DML
View definition
Embedded SQL

MCQ 187: Tuples with the same value on all attributes in the group by clause are placed in:

One group
Two groups
Multiple groups
No groups

MCQ 188: To store multilingual data, SQL provides:

varchar type
lvarchar type
nvarchar type
vvarchar type

MCQ 189: To indicate that the special pattern character is to be treated like a normal character, we use:

Special character
Declarative character
Escape character
Definitive character

MCQ 190: The Not Exists construct is used to test in a relation for the:

Existence of tuples
Existence of attributes
Non-existence of tuples
Non-existence of attributes

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