Respuesta :
Equal to helps to access evaluate a criterion expression that just includes a criteria value.
More about criterion:
An expression called a query criterion is compared to the values of a query field by Access to decide whether to include the record containing each value.
Access can compare an expression to the contents of a text field in a query, for instance, = "Chicago." When a record's value for that field is "Chicago," Access includes that record in the results of the query.
A criterion is a string that can include field references, operators, and constants, much like a formula. Expressions are another name for query criteria in Access.
Learn more about criterion here:
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