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comp science GCSE > databases > Flashcards

databases Flashcards

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1
Q

What is a database?

A

A database is an organised way to store data so that it can easily be retrieved using queries.

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2
Q

What is a record?

A

It is a set of information about something.

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3
Q

What is a field?

A

It is an item of data in a record?

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4
Q

what is a flat file database?

A

A flat file data base stores a single table of data.

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5
Q

What is a primary key?

A

It is a field which stores unique data for each record in a table.

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6
Q

What is data redundancy?

A

It is where data is repeated in a database table.

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7
Q

What is a relational database?

A

A relational database contains multiple tables.

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8
Q

What is a foreign key?

A

It is a field in a table which references the primary key of another table.

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comp science GCSE (6 decks)

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