DBMS Unit1 Quiz

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Test your DBMS basics.

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Madhuri Giri

India

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Froggy Jumps DBMS Unit1 QuizVersión en línea Test your DBMS basics. por Madhuri Giri 1 What is a DBMS (Database Management System)? a Software that manages databases and data access b A programming language for apps c A hardware device for data storage 2 Which level of data abstraction describes how data is physically stored? a External schema (user view) b Logical schema (data relationships) c Internal schema (physical level) 3 Who is primarily responsible for database design, implementation, and maintenance? a Database administrator (DBA) b End user c Software tester 4 Which concept describes the separation of how data is viewed from how it is stored? a Levels of abstraction b Normalization c Indexing 5 Which data model uses tables with rows and columns? a Relational model b Hierarchical model c Network model 6 In ER modeling, what is an attribute? a A relationship between entities b A type of entity c A property that describes an entity 7 Which key uniquely identifies an entity instance and is chosen as the primary key? a Candidate key (selected as primary key) b Foreign key c Composite key only 8 What is a relationship in ER modeling? a A link describing how two entities are associated b A type of attribute c A property of a single entity 9 Which type of attribute can be divided into smaller subparts in an ER model? a Composite Attribute b B) Derived Attribute c C) Multivalued Attribute 10 When converting a one-to-many (1:N) relationship from an ER model to a relational schema, where is the foreign key placed? a In the "one" side table b In the "many" side table c In both tables

Froggy Jumps

DBMS Unit1 QuizVersión en línea

Test your DBMS basics.

por Madhuri Giri

What is a DBMS (Database Management System)?

Software that manages databases and data access

A programming language for apps

A hardware device for data storage

Which level of data abstraction describes how data is physically stored?

External schema (user view)

Logical schema (data relationships)

Internal schema (physical level)

Who is primarily responsible for database design, implementation, and maintenance?

Database administrator (DBA)

End user

Software tester

Which concept describes the separation of how data is viewed from how it is stored?

Levels of abstraction

Normalization

Indexing

Which data model uses tables with rows and columns?

Relational model

Hierarchical model

Network model

In ER modeling, what is an attribute?

A relationship between entities

A type of entity

A property that describes an entity

Which key uniquely identifies an entity instance and is chosen as the primary key?

Candidate key (selected as primary key)

Foreign key

Composite key only

What is a relationship in ER modeling?

A link describing how two entities are associated

A type of attribute

A property of a single entity

Which type of attribute can be divided into smaller subparts in an ER model?

Composite Attribute

B) Derived Attribute

C) Multivalued Attribute

When converting a one-to-many (1:N) relationship from an ER model to a relational schema, where is the foreign key placed?

In the "one" side table

In the "many" side table

In both tables

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DBMS Unit1 Quiz

Froggy Jumps

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Creada por

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Froggy Jumps

DBMS Unit1 QuizVersión en línea

por Madhuri Giri

What is a DBMS (Database Management System)?

Which level of data abstraction describes how data is physically stored?

Who is primarily responsible for database design, implementation, and maintenance?

Which concept describes the separation of how data is viewed from how it is stored?

Which data model uses tables with rows and columns?

In ER modeling, what is an attribute?

Which key uniquely identifies an entity instance and is chosen as the primary key?

What is a relationship in ER modeling?

Which type of attribute can be divided into smaller subparts in an ER model?

When converting a one-to-many (1:N) relationship from an ER model to a relational schema, where is the foreign key placed?

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