Grade 12 · 4 lessons and a review

Design and Test a Purpose-Limited Log

Minimize collected fields, aggregate fictional events, test deletion and examine release risks.

Before you begin

Trace Boolean conditions and grouped counts; subtract whole-number day counters; distinguish internal use from publication.

Choose by skill rather than age alone. Read with an adult when useful, revisit a lesson, or explore another grade.

Lesson 1 of 4

Match a data collection design to a limited operational purpose.

Lesson 2 of 4

Build daily failure counts from fictional records and drop unnecessary fields.

Lesson 3 of 4

Test a retention boundary using a fictional day counter.

Lesson 4 of 4

Apply an exercise release policy and recognize a subtraction disclosure.

After the lessons, try 4 new review cases and a practical task. Each answer has an explanation and a link back to the related lesson.

Guest answers are temporary. Keep your own paper or document; this unit does not certify completion or record a school grade.