Examples of using Validation rule in English and their translations into Slovak
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                        Financial
                    
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                        Colloquial
                    
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                        Official
                    
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                        Medicine
                    
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                        Ecclesiastic
                    
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                        Official/political
                    
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                        Computer
                    
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                        Programming
                    
Then, create a record validation rule to make sure that the data in the original fields is unique.
setting the ValidationText property, which holds the text that Access displays when the validation rule is violated.
For example, if the validation rule is>10, the message might be“Enter a value that is less than 10.”.
If you want, you can change the value in a record from the default value to another value, unless a validation rule prohibits this.
You can use this expression in the Validation Rule property of a control or table field to ensure that only positive values are entered.
For more information about creating validation rules,  see the article Create a validation rule to validate data in a field.
You can use this expression in the Validation Rule property of a control or table field to ensure that only positive values are entered.
The two most common ways to use expressions in tables are to assign a default value and to create a validation rule.
Create a validation rule to control what values users can enter in a field or control.
Then, create a record validation rule to make sure that the data in the original fields is unique.
You can change the value in a record from the default value to another value, unless a validation rule prohibits this.
For example, you can use a validation rule in a control or table field to require that the date that is entered is greater than
Typically, you use a form validation rule instead of a field validation rule  if the rule  was specific only to that form
You can use a record validation rule to prevent duplicate records,
default, or validation rule skipped, relationship not enforced,
table, default, or validation rule skipped, relationship not enforced,
Your validation rules can contain expressions- functions that return a single value.
Validation rules can be set in either table design
Notes: The following field types do not support validation rules.
Validation rules.