Flashcards
Database
Cards in this deck (22)
- 1Click to start!!!!!!!Define the following keyword.
- 2RECORDAll data about one item in a database.
- 3FIELDA single category of information that is recorded in a database.
- 4Primary keyA field in a table which uniquely identities each record in that table.
- 5DatabasePersistent (does not go away),organised store of data in electronic form.
- 6FormUser interface tool which allows a user to enter or change data in the table.
- 7EntityAn object or thing of importance about which data in a table.
- 8RelationalType of database in which two or more tables are linked to each other
- 9Foreign keyA field use in a one table to represent the value of a primary key in a database.
- 10Verificationmaking sure if the data you entered is correct.
e.g. Retyping the password.
- 11ValidationTo make sure the data you entered is sensible.
- 12Input maskA type of validation that gives you a format of what to input for example
- 13Presence checkCheck if their is something in the box
- 14Range CheckTo check if the data is within a particular range. using <=>
e.g.
- 15List CheckIT give you list of option so there is less chance of making mistake.
- 16DBM (Database Manageme7nt)G
- 17Data redundancyWhere data is repeated unnecessarily in a database.
- 18Data integrityThe correctness of in a database.
- 19PacketHow data is sent over the network.
- 20MacEach device has its own mac address
(A unique number) - 21Domain NameDomain is like IP address and has unique name which allows the user to remember the web site easily.
- 22DNSDomain Name System it convert Domain name IP address to computer language.
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- GCSE computing Flashcards on Database, created by Asmi Mohamed on 11/01/2017.
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- Asmi Mohamed
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