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11 Cards in this Set

  • Front
  • Back
Database
Persistent organised store of data.
Entity
Something in real life about which we store data.
Table
Where data is organised and stored in a database.
Primary key
Uniquely identifies a record.
Foreign key
A reference to a primary key in a relational database table.
Flat file database
A database that stores data in a single table.
Relational database
A database that stores data in multiple tables that are linked together.
Validation
Process of checking data as it is being input, e.g. length check.
Verification
Checking that data is correct.
DBMS (Database management system)
A tool to store, edit and organise a database.
Data redundancy
Unnecessary repetition of data.