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  • Created by: LaibaTrq
  • Created on: 02-05-16 23:06
Validation
Validation aims to make sure that data is sensible, reasonable, complete and within acceptable boundaries.
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Validation - Range Check
A range check is commonly used when you are working with data which consists of numbers, currency or dates/times. A range check allows you to set suitable boundaries e.g. the maximum price of any item in a shop is £100.
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Validation - Type Check
A type check will ensure that the correct data type is entered into that field.
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Validation - Format Checks
A format check ensures that data is entered in a specified arrangement/format e.g. post codes.
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Validation - Presence Checks
A presence check makes sure that a critical field cannot be left blank, it must be filled in.
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Validation - Check Digit
A check digit is used when you want to be sure that a range of numbers has been entered correctly. The system will usually ask you to enter the first or last digit or other specified values.
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Validation - Parity Checks
A parity check is used to make sure that data has not been corrupted during transmission.
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Other cards in this set

Card 2

Front

A range check is commonly used when you are working with data which consists of numbers, currency or dates/times. A range check allows you to set suitable boundaries e.g. the maximum price of any item in a shop is £100.

Back

Validation - Range Check

Card 3

Front

A type check will ensure that the correct data type is entered into that field.

Back

Preview of the back of card 3

Card 4

Front

A format check ensures that data is entered in a specified arrangement/format e.g. post codes.

Back

Preview of the back of card 4

Card 5

Front

A presence check makes sure that a critical field cannot be left blank, it must be filled in.

Back

Preview of the back of card 5
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