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Questions and Answers
What is database normalization?
What is database normalization?
- A process for deleting data from a database
- A process for creating a database
- A process for organizing data and tables (correct)
- A process for backing up a database
What are some benefits of normalizing a database?
What are some benefits of normalizing a database?
- It can only be done on certain databases
- It prevents anomalies (correct)
- It increases storage space
- It makes it more inefficient and inaccurate
Who typically performs database normalization?
Who typically performs database normalization?
- Customers
- IT support staff (correct)
- Sales representatives
- End-users
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Study Notes
- Database normalization is a manual process used for data modelling or database creation.
- It organizes data and tables for efficient updating and adding.
- It can be done on any relational database.
- The process involves applying certain rules to data to get it to a more efficient form.
- Normalizing a database makes it more efficient, accurate, and reduces storage space.
- It prevents insert, update, and delete anomalies.
- Anomalies are issues in the data that are not meant to be there.
- Normalization is done by database developers and administrators.
- It can be done in Oracle, Microsoft SQL Server, MySQL, PostgreSQL, and other databases.
- Without normalization, data can be slow, incorrect, and messy.
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