Specific operation method:
1. Open the access file and find the table to operate.
2. Right-click the table you want to manipulate, and then select the Design View button.
3. Select the age field and enter the age range in the validation rule. Such as: > = 18 and < = 25. The age entered in the verification text should be between 18 and 25 years old. Please re-enter.
Uses of access: First, it is used for data analysis: access has powerful data processing and statistical analysis capabilities, and various statistics such as summary and average can be conveniently carried out by using the query function of Access. And can flexibly set statistical conditions. 2. Used for developing software: access is used for developing software, such as enterprise management software such as production management, sales management and inventory management. Its greatest advantage is that it is easy to learn. Non-computer majors can also study. It meets the management needs of people engaged in enterprise management at low cost, regulates the behaviors of colleagues and subordinates through software, and promotes their management ideas.