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Q)The error message that appears when you enter a value prohibited by validation rule :-

➡Caption
➡Format
➡Validation Text
➡Field Size

NOTE :-
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Answer 1

Answer:

You can vet or validate data in Access desktop databases as you enter it by using validation rules. You can use the expression builder to help you format the rule correctly. Validation rules can be set in either table design or table datasheet view. There are three types of validation rules in Access:

1. Field Validation Rule You can use a field validation rule to specify a criterion that all valid field values must meet. You should not have to specify the current field as a part of the rule unless you are using the field in a function. Restrictions on types of characters to be entered in a field may be easier to do with an Input Mask. For example, a date field might have a validation rule that disallows values in the past.

Quick examples:

Disallow date values in the past: >=Date()

Generally accepted email format: Is Null OR ((Like "*?@?*.?*") AND (Not Like "*[ ,;]*"))

Number less than or qual to five: <=5

Currency field can't be negative: >=0

Restrict character length in string: Len([StringFieldName])<100

2. Record Validation Rule You can use a record validation rule to specify a condition that all valid records must satisfy. You can compare values across different fields using a record validation rule. For example, a record with two date fields might require that values of one field always precede values of the other field (e.g., StartDate is before EndDate).

Quick examples:

Ensure the end date doesn't come before the start date: [End Date]>=[Start Date]

Enter a required date that occurs no more than 30 days after the order date: [RequiredDate]<=[OrderDate]+30

3. Validation on a form You can use the Validation Rule property of a control on a form to specify a criterion that all values input to that control must meet. The Validation Rule control property works like a field validation rule. Typically, you use a form validation rule instead of a field validation rule if the rule was specific only to that form and not to the table no matter where it was used.

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Answer 2

Question:

The error message that appears when you enter a value prohibited by validation rule:

➡Caption

➡Format

➡Validation Text

➡Field Size

Answer:

➡Validation Text✔️

More Information:

The message that appears when we enter a value that is prohibited by validation rule is the validation text. It is also known as the error message.

I hope it helps you......☺️