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Schemas Statements in SQL MCQ Questions PDF Download - 29

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"When the schema is to be dropped in SQL which has no elements then the type of DROP Command used is called" Quiz PDF: schemas statements in sql App APK with precision drop command, scale drop command, restrict drop schema, and cascade drop command choices for online software development courses. Learn schema definition, constraints, queries and views questions and answers to improve problem solving skills for computer software engineer.

Schemas Statements in SQL MCQ Questions

MCQ: When the schema is to be dropped in SQL which has no elements then the type of DROP Command used is called

SCALE DROP command

PRECISION DROP command

RESTRICT DROP schema

CASCADE DROP command

MCQ: The type of data model which provide concepts in a way users of data recognize data models is considered as

dynamic data models

medium level data models

low level data models

high level data models

MCQ: In ER diagrams, the rectangles are used to denote

entity types

attribute types

key types

structure types

MCQ: For a three-schema architecture, there is strict partition between external, internal and conceptual level and the language used in this structure is

view definition language

logic map language

concept mapping language

storage mapping language

MCQ: The example of computer's primary storage is

tapes

main memory

optical disk

magnetic disc