Fichas
Databases
Fichas del conjunto (25)
- 1DatabaseA persistent, organized collection of data
- 2FieldA piece of information in a database which relates to a person or thing
- 3RecordAll the information in the database that relates to one person or one thing
- 4TableA collection of fields
- 5Flat-file databaseJust a single database table
- 6Data redundancyUnnecessary information
- 7Data integrityThe correctness of the data
- 8DBMSDatabase Management System
- 9Program-data independanceThe database can be linked with other programs
- 10Relational databaseMany table connected with each other
- 11Primary KeyThis is a field that used to uniquely identify each record in the database
- 12Foreign keyForeign key
- 13EntityThe data about a single or a thing
- 14FormCreate inputs for the user to input data
- 15Queries/interrogationbA data retrieval tool
- 16ReportsWe can use this to show information from our database in a easier way to understand
- 17ModulesA software that manipulates data in a specific way what is directly not catered by the database sofwatre
- 18Logical OperatorsNot, And and Or
- 19ValidationA computerized way to check if the data is correct
- 20VerificationIf the data is correct
- 21Input MaskTell the user what format the data should be entered in
- 22Presence checkCheck if the field have been left empty
- 23Range checkSpecify the range that the data has to be entered
- 24List checkChoose from a list of options
- 25ParameterA numerical or other measurable factor forming one of a set that defines a system or sets the conditions of its operation.
Información
- Descripción
- GCSE Computer Science Fichas sobre Databases, creado por Dhanil Capil el 19/01/2016.
- Creado por
- Dhanil Capil
- Visitas
- 1
- Valoración