State two ways in which data validation is implemented on an input form of a database application.

State two ways in which data validation is implemented on an input form of a database application.

  1. apply data type check
  2. apply validation rule criteria / validation text
  3. apply code check-ensures that a field is selected from a valid list of values
  4. apply format check e.g. YYY-MM-DD
  5. apply range check
  6. apply consistence check

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