Curioustab

Home » Database » Distributed Databases

Storing a separate copy of the database at multiple locations is which of the following?

Data Replication
Horizontal Partitioning
Vertical Partitioning
Horizontal and Vertical Partitioning

Correct Answer: Data Replication

← Previous Question Next Question→

More Questions from Distributed Databases

Which of the following is not one of the stages in the evolution of distributed DBMS?
A distributed database can use which of the following strategies?
Synchronization for pull replication is less disruptive and occurs only when needed by each site, not when a central master site thinks it is best to update.
Databases that are stored on computers at multiple locations and are not interconnected by a network are known as distributed databases.
A distributed unit of work allows various statements within a unit of work to refer to multiple remote DBMS locations.
The purpose of timestamping is to avoid the use of locks.
The problem of concurrency control is more complex in a distributed database.
An increasingly popular option for data distribution as well as for fault tolerance of any database is to store a separate copy of the database at each of two or more sites.
Asynchronous technology can result in unsatisfactorily slow response time because the distributed DBMS is spending considerable time checking that an update is accurately and completely propagated across the network.
In a semijoin, only the joining attribute is sent from one site to another, and then only the required rows are returned.

Discussion & Comments

No comments yet. Be the first to comment!

Join Discussion