Flashcards
2.1.5 - Databases Vocabulary
Flashcards do conjunto (17)
- 1Serial FileFile of items one after another
- 2Sequential FileSerial file in order
- 3Indexed sequential fileSequential file that is accessed using an index, which is a separate file
- 4Flat file databaseDatabase consisting of only one table
- 5FieldCharacteristic of something stored in a database
- 6RecordAll the data about one item in a database
- 7EntitySomething that we store data about in a database
- 8AttributeCharacteristic of an entity. It becomes a field in a data table
- 9Data redundancyUnnecessary repetition of data
- 10Data integrityState of data being as it should be, reflecting reality
- 11ValidationProcess of checking data as it is input to ensure that it is reasonable
- 12VerificationProcess of checking that data is true or correct
- 13One to manyRelationship where one record in a table may have links to many records in another table
- 14Entity relationship diagramDiagram that shows how different entities used in a database are connected
- 15SchemaDefinition of a database
- 16Data dictionaryStored schema of a database
- 17ACIDSet of rules that protects a database from errors during a transaction
Informações
- Descrição
- GCSE Computing FlashCards sobre 2.1.5 - Databases Vocabulary, criado por Raphaela Dowding-Green em 08-11-2016.
- Criado por
- Raphaela Dowding-Green · nov 2016
- Atualizado
- 9 nov 2016
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- Avaliação