Podcast
Questions and Answers
What is the relational model in a distributed database system?
What is the relational model in a distributed database system?
- A collection of tables with different columns and rows
- An instance of tables with columns representing different domains
- A time-varying set of ntuples with values from various domains
- A finite set of n-tuples with defined attributes over distinct domains (correct)
What does Database Integration involve in a distributed database system?
What does Database Integration involve in a distributed database system?
- Separating data across multiple databases for security purposes
- Creating duplicate copies of data for backup purposes
- Combining data from different databases into a single logical view (correct)
- Ensuring data consistency within a single database only
What is the purpose of Semantic Data Control in a distributed database system?
What is the purpose of Semantic Data Control in a distributed database system?
- Replicating data across multiple servers for faster access
- Enforcing constraints and rules to ensure data consistency and integrity (correct)
- Encrypting all data to prevent unauthorized access
- Creating different views of the same data for different user roles
In Distributed Query Processing, what is the main challenge faced by the system?
In Distributed Query Processing, what is the main challenge faced by the system?
What is the primary function of Data Replication in a distributed database system?
What is the primary function of Data Replication in a distributed database system?
What is a key feature of Parallel Database Systems in a distributed environment?
What is a key feature of Parallel Database Systems in a distributed environment?
What is the typical distance range for nodes in a Wide Area Network (WAN)?
What is the typical distance range for nodes in a Wide Area Network (WAN)?
Which network type is known for having limited geographic scope?
Which network type is known for having limited geographic scope?
What type of network topology exhibits regularity in interconnections?
What type of network topology exhibits regularity in interconnections?
Which medium access method is typically used in a Bus network?
Which medium access method is typically used in a Bus network?
In which type of network would you likely encounter speeds ranging from 150Mbps to 10Gbps?
In which type of network would you likely encounter speeds ranging from 150Mbps to 10Gbps?
What is the main purpose of normalization in database design?
What is the main purpose of normalization in database design?
Which normal form focuses on atomic values?
Which normal form focuses on atomic values?
In distributed database design, what does BCNF stand for?
In distributed database design, what does BCNF stand for?
What is the top-down methodology used in normalization known for?
What is the top-down methodology used in normalization known for?
What characteristic should decomposed schemas follow to preserve the semantics of the original schema?
What characteristic should decomposed schemas follow to preserve the semantics of the original schema?
What is the process of concept separation applied in normalization known as?
What is the process of concept separation applied in normalization known as?
