Database - Persistent store of organised data, Flat-file database - Data stored in one table, Relational database - Data stored in multiple tables, linked with relationships, Table - Collection of related data, made up of records and fields, Record - All data about one item, Field - Single piece of data, Primary key - Field that provides unique identifier for each record in a table, Foreign key - Links tables together, Data redundancy - Unnecessary data repetition, Data inconsistency - Errors resulting from redundant data,

Databases

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النمط البصري

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