Working with Validation Rules

You can specify validation rules to control the data entered in database tables.

In This Section

• Field and Record Validation Rules
  Introduces aspects and considerations of working with validation rules.

• How to: Create Field Validation Rules
  Describes how to create validation rules for data in fields.

• How to: Create Record Validation Rules
  Describes how to create validation rules for data in records.

• How to: Remove Validation Rules
  Describes how to delete validation rules.

Related Sections

• Enforcing Business Rules
  Provides an overview about how to enforce business rules by using validation rules, preventing duplicate values in fields, and maintaining relationships between tables.

• Working with Fields
  Introduces creating and working with fields in tables.

• Working with Tables (Visual FoxPro)
  Introduces creating and working with tables.