Relational Databases

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Computer Science

GCSE Computer Science

HIGH_SCHOOL

Last updated 7:39 PM on 9/10/26
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9 Terms

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Data
Raw, unorganized facts and figures without context.
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Information
Data that has been processed, structured, or given context to make it meaningful.
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Database
An organized collection of logically related data stored electronically for easy access.
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Field
A single piece of data or attribute about an entity, represented as a column.
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Record
A complete set of fields related to a single entity, represented as a row.
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Primary Key
A unique identifier for each record in a database table.
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Foreign Key
An attribute in a table that links to the primary key of another table to create a relationship.
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Relational Database
A database that stores data in multiple connected tables using primary and foreign keys.
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Why Databases Are Used
To reduce data redundancy, improve consistency, enhance security, and allow efficient querying.