Flashcards
Databases
Flashcards do conjunto (16)
- 1What does DMBS Stand For?Database Management System
- 2What is a Form?A user-friendly way to input data
- 3What is a Query?A way of interrogating a database
- 4What is a report?A way of outputting data
- 5What is a Module?A piece of code that manipulates data in a specific way
- 6What is a Validation?A way of checking if the data you have inputted is sensible.
- 7What is a verification?A way of checking the data is correct
- 8What is the definition of DBMS?Software that handles the storage, retrieval and updating of data
- 9what is a relational databasea database that is structured to recognise relations between stored items
- 10what is a dataseA persistent organised store of data
- 11what is an Entity?A single person or object that can be stored as data.
- 12What is a table?A group of fields and records
- 13Name three types of Validation ChecksRange check(inbetween certain numbers)
Presence check(if something is entered)
Type check(Right type of data)
lookup(If from the list)
length check(the right length)
format check(Right mix numbers+letters) - 14What is a primary key?A unique Field
- 15What is a Foreign Key?A field that links one table to another
- 16what is a flat file database?a database that stores text data
Informações
- Descrição
- GCSE Computing FlashCards sobre Databases, criado por Nathanael Davis em 23-06-2016.
- Criado por
- Nathanael Davis · jun 2016
- Atualizado
- 24 jun 2016
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