Global DB Architectures Quiz

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Relational, parallel, and distributed DB basics

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JANHAVI KULKARNI

India

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Global DB Architectures Quiz

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Global DB Architectures Quiz


Froggy Jumps Global DB Architectures QuizVersión en línea Relational, parallel, and distributed DB basics por JANHAVI KULKARNI 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

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Global DB Architectures Quiz

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Global DB Architectures QuizVersión en línea

por JANHAVI KULKARNI

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?