Printable worksheet ยท 2 of 4
A stable identifier separates similar records - Paper 2
Read the information, then answer the questions. An adult may read the instructions aloud. Show your working where asked.
Read before answering
Fictional catalogue contains two records: ID B11, title 'Mountain'; ID B12, title 'Mountain'. An edit request targets only ID B12, changing its title to 'Mountain revised'. IDs are unique stable keys; titles are editable labels and may repeat. Practice uses no real personal records.
Worksheet preview
This exercise is included in the paid course. Full-course fee: GBP 200.00 once. Register and enrol to complete all course exercises and download the course PDFs. Access begins after payment is confirmed.
Already registered? Sign in