State some criterias and their effects on a database, Computer Engineering

It is possible to enter one or more criteria in the rows which can influence your database significantly.

>="Callahan" this returns all the several records from Callahan to the end of the alphabet.

Date() This field returns all the data pertaining to the present date.

'''' This is used when you need to know all records which have zero length string. This can be useful to know whether your customers have fax numbers or so. 

 

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