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Posted by / 15-Jan-2018 15:02

CSS Sprites are the preferred method for reducing the number of image requests.

)Different validation checks can be used on different fields, depending on the type of data being entered.... To check that data is the correct value, we use a system called data verification. After the data has been entered a person compares the original data with the data in the computer (either on the screen or using a print-out).

This can be done quickly and easily as the process is automated.

Follow these steps to set up a validation rule in a database.

Use the keyboard arrow keys to select the field to which you want to add a validation rule, eg 'Support offered'. The validation rule is set so only these options can be entered.

For example, a secondary school student is likely to be aged between 11 and 16.

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