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Questions and Answers
What is the purpose of normalizing a database?
What is the purpose of normalizing a database?
- To efficiently organize data and prevent anomalies (correct)
- To make data inconsistent and hard to manage
- To increase data integrity and make anomalies occur more frequently
- To make data difficult to convert into human-readable format
How does a poorly planned flat-file database contribute to data problems?
How does a poorly planned flat-file database contribute to data problems?
- By making the data inconsistent and easy to manage
- By preventing anomalies and making data integrity easier to maintain
- By organizing data in an efficient manner
- By creating difficulties when inserting, deleting, or modifying records (correct)
What type of structures do computers use to organize data?
What type of structures do computers use to organize data?
- Data structures that make information unreadable
- Data structures that increase anomalies in databases
- Data structures that convert data into human-readable format
- Data structures that describe a specific sequence for data organization (correct)
What happens when processing data is complete in a computer?
What happens when processing data is complete in a computer?
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Why is denormalized data in a flat-file database problematic?
Why is denormalized data in a flat-file database problematic?
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Who stated the goals of normalization for relational databases?
Who stated the goals of normalization for relational databases?
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What is a field in a database?
What is a field in a database?
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Which term is used to refer to a group of related fields about an item or person captured in a table?
Which term is used to refer to a group of related fields about an item or person captured in a table?
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What is the purpose of a primary key in a database?
What is the purpose of a primary key in a database?
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In a relational database, how are tables connected?
In a relational database, how are tables connected?
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Why do database creators usually create a new field specifically for the primary key?
Why do database creators usually create a new field specifically for the primary key?
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What does a flat database consist of?
What does a flat database consist of?
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