QCE Digital Solutions Unit 2: Validating data and handling errors in the prototype

Students protect the database from bad data with SQL injection defences, validation checks run before storing, and error handling for database failures.

One content description from the full QCE Digital Solutions Unit 2 — Prototype Data Solutions journey. All 9 modules below are in that journey too, with the same content — add just these to a class, or the whole strand.

Modules (9)

1 SQL injection 2 Validation versus verification 3 Existence checking in code 4 Type checking in code 5 Range checking in code 6 Input validation with a while loop 7 Combining validation checks in a validation function 8 Validating data before it is stored 9 Handling database errors in code

Add to class →

For Teachers

Add this journey to your class and track every student in real time.

Create a free teacher account →

No credit card. No setup fee. Make a class and invite students in under three minutes.

For Students

Start this journey on Cloodit — track progress, earn badges, and play live sprints with your class.

Start Learning Free →

Have a class code?