Glossary of Terms -Database concepts
Teacher recommended
?- Created by: kenyone
- Created on: 14-05-16 09:31
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Clues
- A field in a table that uniquely identifies a record. (7, 3)
- A field in one table that is the primary key in another table and is used to create a relationship between those two tables. (7, 3)
- A persistent organised store of data where data is stored as a collection of related tables to minimise data redundancy. (10, 8)
- A persistent organised store of data where data is stored in a single file organised into fields and records. (4, 4, 8)
- A persistent organised store of data. (8)
- Non-volatile storage on a secondary storage medium such as a hard disk. (10, 7)
- The logical connection created between two tables using a primary and foreign key pair. (12)
- When the computer software checks that data entered is sensible. (10)
- Where data is entered twice and checked that each version is the same, to avoid data being entered with typing mistakes. (12)
- Where different versions of data become different because duplicate versions have been stored and updated differently. (4, 13)
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