Online worksheet · 2 of 4

A stable identifier separates similar records - Online practice 2

Read the information, then answer the questions. An adult may read the instructions aloud. Show your working where asked.

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Fictional catalogue contains two records: ID B03, title 'Cloud'; ID B04, title 'Cloud'. An edit request targets only ID B04, changing its title to 'Cloud revised'. IDs are unique stable keys; titles are editable labels and may repeat. Practice uses no real personal records.

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