12 Questions
What is the purpose of normalizing a database?
To efficiently organize data and prevent anomalies
How does a poorly planned flat-file database contribute to data problems?
By creating difficulties when inserting, deleting, or modifying records
What type of structures do computers use to organize data?
Data structures that describe a specific sequence for data organization
What happens when processing data is complete in a computer?
Data is converted into human-readable format
Why is denormalized data in a flat-file database problematic?
It makes handling the data increasingly difficult as the database grows
Who stated the goals of normalization for relational databases?
Edgar F Codd
What is a field in a database?
A single bit of information about a person or item
Which term is used to refer to a group of related fields about an item or person captured in a table?
Record
What is the purpose of a primary key in a database?
To contain a unique identifier for each record
In a relational database, how are tables connected?
By having common data points
Why do database creators usually create a new field specifically for the primary key?
To ensure each record has a unique identifier
What does a flat database consist of?
A single table
Learn about the basic concepts of databases, including flat databases and relational databases, fields, records, and primary keys. Understand how data is organized and stored in tables.
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