Databases Flashcards by Tom Ford | Brainscape

Q

4 Types Of Validation

A

Range
Length
Restricted Choice
Presence Check

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Q

What’s the abbreviation for a-z?

A

ASC

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Q

What’s the abbreviation for z-a?

A

DESC

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Q

what is the purpose of a foreign key

A

To link 2 tables using a foreign key

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