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A Level Computing - Databases Key Terms

OCR A-Level Computer Science
Quiz by
Yosherax
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Last updated: December 18, 2018
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First submittedDecember 13, 2018
Times taken102
Average score30.8%
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Question
Answer
What term refers to the managing of an input to a database?
Transaction processing
What does the A stand for in ACID?
Atomicity
What does the C stand for in ACID?
Consistency
What does the I stand for in ACID?
Isolation
What does the D stand for in ACID?
Durability
Why is data redundancy bad?
Waste of space
What prevents the simultaneous editing of a record by two different users?
Record locking
Question
Answer
What does the C stand for in CRUD?
Create
What does the R stand for in CRUD?
Read
What does the U stand for in CRUD?
Update
What does the D stand for in CRUD?
Delete
What is cascading delete a good example of?
Referential integrity
What term refers to the prevention of incomplete transactions causing data corruption?
Data integrity
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