SQL Analyst · Quality · HAVING
Detect duplicate business references — acquisition campaigns · training scenario
Detect duplicate business references from an acquisition campaign dataset designed to control level of detail and discrepancies. You must produce the result, check it on the source data and explain what it allows you to decide in this acquisition campaign.
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Detect duplicate business references — acquisition campaigns · training scenario is part of the complete programme: 38 lessons, 62 verifiable exercises and 8 published guided projects.
- Complete content with explained examples
- SQL simulator and expected result
- Detailed answer, common mistakes and challenge