Global DB Architectures Quiz

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Relational, parallel, and distributed DB basics

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ADARSH GUNARI

India

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Global DB Architectures Quiz

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Froggy Jumps Global DB Architectures QuizOnline version Relational, parallel, and distributed DB basics by ADARSH GUNARI 1 Which constraint enforces data validity by ensuring every value in a column follows a domain rule? a Domain/Check constraint b Unique constraint c Foreign key constraint 2 In a distributed DB, what is a key benefit of data fragmentation? a Improved local access and manageability b Increased redundancy c Simplified global queries 3 Which parallel DB architecture uses a shared-nothing model? a Shared Memory b Shared Disk c Shared Nothing 4 Which fragmentation type horizontally splits a relation across sites? a Vertical fragmentation b Hybrid fragmentation c Horizontal fragmentation 5 Which component manages metadata about data locations and schema in a distributed DB? a Concurrency controller b Catalog management c Query optimizer 6 What ensures consistency when multiple sites access the same data concurrently in distributed DBs? a Single-site locking b Central locking c Distributed Concurrency Control 7 Which query processing approach distributes execution across multiple sites? a Distributed Query Processing b Local query execution only c Centralized processing 8 Which DB architecture emphasizes data availability and fault tolerance with separate storage nodes? a Shared Memory b Shared Nothing c Shared Disk 9 What is a primary difference between parallel and distributed DB architectures? a Parallel focuses on performance; distributed on location transparency b Both avoid fragmentation c Both use centralized storage 10 In a Globally Distributed Database, what is a common strategy for data placement? a Global data replication and local fragmentation b Single-site storage only c No fragmentation across regions

Froggy Jumps

Global DB Architectures QuizOnline version

Relational, parallel, and distributed DB basics

by ADARSH GUNARI

Which constraint enforces data validity by ensuring every value in a column follows a domain rule?

Domain/Check constraint

Unique constraint

Foreign key constraint

In a distributed DB, what is a key benefit of data fragmentation?

Improved local access and manageability

Increased redundancy

Simplified global queries

Which parallel DB architecture uses a shared-nothing model?

Shared Memory

Shared Disk

Shared Nothing

Which fragmentation type horizontally splits a relation across sites?

Vertical fragmentation

Hybrid fragmentation

Horizontal fragmentation

Which component manages metadata about data locations and schema in a distributed DB?

Concurrency controller

Catalog management

Query optimizer

What ensures consistency when multiple sites access the same data concurrently in distributed DBs?

Single-site locking

Central locking

Distributed Concurrency Control

Which query processing approach distributes execution across multiple sites?

Distributed Query Processing

Local query execution only

Centralized processing

Which DB architecture emphasizes data availability and fault tolerance with separate storage nodes?

Shared Memory

Shared Nothing

Shared Disk

What is a primary difference between parallel and distributed DB architectures?

Parallel focuses on performance; distributed on location transparency

Both avoid fragmentation

Both use centralized storage

In a Globally Distributed Database, what is a common strategy for data placement?

Global data replication and local fragmentation

Single-site storage only

No fragmentation across regions

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Global DB Architectures Quiz

Froggy Jumps

About this activity

Created by

Download the paper version to play

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Global DB Architectures QuizOnline version

by ADARSH GUNARI

Which constraint enforces data validity by ensuring every value in a column follows a domain rule?

In a distributed DB, what is a key benefit of data fragmentation?

Which parallel DB architecture uses a shared-nothing model?

Which fragmentation type horizontally splits a relation across sites?

Which component manages metadata about data locations and schema in a distributed DB?

What ensures consistency when multiple sites access the same data concurrently in distributed DBs?

Which query processing approach distributes execution across multiple sites?

Which DB architecture emphasizes data availability and fault tolerance with separate storage nodes?

What is a primary difference between parallel and distributed DB architectures?

In a Globally Distributed Database, what is a common strategy for data placement?

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