Podcast
Questions and Answers
What defines a distributed database system?
What defines a distributed database system?
What is a characteristic of a homogeneous database?
What is a characteristic of a homogeneous database?
What is a challenge of a heterogeneous distributed database?
What is a challenge of a heterogeneous distributed database?
How is data stored in the replication approach?
How is data stored in the replication approach?
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Why might a distributed database system be required?
Why might a distributed database system be required?
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In a fully redundant database, what is the advantage of having copies of data maintained at different sites?
In a fully redundant database, what is the advantage of having copies of data maintained at different sites?
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What is a disadvantage of maintaining copies of data at different sites in a fully redundant database?
What is a disadvantage of maintaining copies of data at different sites in a fully redundant database?
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Which type of fragmentation ensures that each tuple is assigned to at least one fragment?
Which type of fragmentation ensures that each tuple is assigned to at least one fragment?
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What is the main advantage of a distributed database system over a centralized database system?
What is the main advantage of a distributed database system over a centralized database system?
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What are the characteristics of a distributed database management system (DDBMS)?
What are the characteristics of a distributed database management system (DDBMS)?
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What makes a homogeneous database easy to manage?
What makes a homogeneous database easy to manage?
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What is the primary challenge of a heterogeneous distributed database?
What is the primary challenge of a heterogeneous distributed database?
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What is the purpose of translations in a heterogeneous distributed database?
What is the purpose of translations in a heterogeneous distributed database?
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In which type of distributed data storage approach is the entire relationship stored redundantly at 2 or more sites?
In which type of distributed data storage approach is the entire relationship stored redundantly at 2 or more sites?
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What defines a distributed database system as being located on various sites that don’t share physical components?
What defines a distributed database system as being located on various sites that don’t share physical components?
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In a distributed database system, what is the advantage of using fragmentation?
In a distributed database system, what is the advantage of using fragmentation?
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What is a disadvantage of horizontal fragmentation in a distributed database system?
What is a disadvantage of horizontal fragmentation in a distributed database system?
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What is the main challenge of maintaining a fully redundant database with copies of data at different sites?
What is the main challenge of maintaining a fully redundant database with copies of data at different sites?
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What distinguishes a hybrid fragmentation from horizontal and vertical fragmentation?
What distinguishes a hybrid fragmentation from horizontal and vertical fragmentation?
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Why does a distributed database system provide higher availability and reliability compared to a centralized database system?
Why does a distributed database system provide higher availability and reliability compared to a centralized database system?
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