SQL Pro · TRANSACTION · SAVEPOINT · ROLLBACK
Protect an HR change 4 · training scenario
Commit a correct change and undo only the incorrect step. You must produce the result, control it on the source data and explain what it allows you to decide in this human resources management.
SQL Essentials
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Protect an HR change 4 · 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