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S2 Databases
Term | Definition |
---|---|
Database | An organised collection of information |
Manual database | Database stored on paper |
Computerised database | Database store on a computer |
Advantages of a computerised database | Fast searching and sorting and security and backup procedures |
Examples of computerised databases | Facebook, , Google, Amazon, iTunes |
Record | A collection of fields that appear as a row in a database or table. |
Field | A single piece of information in a database |
Search | To select certain records that match criteria |
Sort | To reorder a database |
Ascending | From low to high or alphabetical order |
Descending | From high to low or anti-alphabetical order |
Text | A database field type that contains characters, numbers and symbols eg. postcode |
Number | A database field type that contains whole numbers or decimal numbers eg. 12, 13.1 |
Date/time | A database field type that contains dates and times eg. 12/4/2013, 12 Apr 13, 3:11:12 |