Shared Flashcard Set

Details

Enterprise Eval 1
The questions from Eval 1
10
Computer Science
Undergraduate 2
09/15/2010

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Cards

Term
You are designing a database that needs to be fault tolerant. Which one of the database types would be the best? Relational | Distributed | Transactional | Replicated
Definition
Replicated
Term
A transactional database is always relational. True or False
Definition
False
Term
A company spent a lot of money on creating a distributed database with the goal of it being faster. It actually ended up being slower. How it that possible?
Definition
It bottle necked at the network
Term
What is the main reason to make a database relational.
Definition
To duplicate data
Term
A relational database will always be smaller than a non-relational database. True or False
Definition
True
Term
A forign key is used in what type of database? Relational | Distributed | Transactional | Replicated
Definition
Relational
Term
A distributed database is always relational. True or False
Definition
False
Term
A replicated database is always relational. True or False
Definition
False
Term
When designing a replicated database what is the minimum number of replicas and where should they be located?
Definition
3 with one of them off site
Term
Describe how a Transactional database works.
Definition
Creates a record and is able to roll back after an error occurs
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