All names and addresses are made up.
Duplicate or not?
Pairs of contact records that may or may not be the same person. Sort them, then answer three questions about choosing the right key.
Exercise10 minBachelor +2CC BY 4.0
2 tasks · 10 min
What you will learn
- Decide when two records describe the same person
- Choose a key column for removing duplicates
Use it with a class
- 1. Copy the class link and share it with your class.
- 2. Learners finish the exercise and get a result code.
- 3. Paste the codes into Class results to see everyone at once.
Reuse this material
CC BY 4.0You may copy, adapt and share it, also commercially, as long as you credit ManyPI and link back.
"Duplicate or not?" by ManyPI (https://manypi.com/edu/duplicate-or-not), licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/)