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Tutorial Basic Detail
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Category: MS Access/Functions
Description:A domain-based function is used to get a value from another object and deliver it to the object in which it is being used or called. The general syntax of these functions is:
FunctionName(WhatValue, FromWhatObject, WhatCriteria)
To perform its operation, a domain-based function needs three pieces of information, two of which are required (the first two arguments) and one is optional (the third argument).
when calling one of these functions, you must specify the value of the column you want to retrieve. This is provided as the WhatValue in our syntax. This argument is passed as a string.