Data World 2 · Pipeline Plumbing · Stage 4
Only the New
A bookmark remembers which files a job read; it cannot see a file rewritten in place or a row changed in a database: write so that reading twice is harmless.
- Job bookmarks
- transformation_ctx and job.commit
- Idempotent writes
- JDBC bookmark keys
- Domain
- Data engineering
- World
- Data World 2: Pipeline Plumbing (Associate)
- Game type
- Lake tuner: Tune a lake's tables until the queries fit their limit and budget.
- Time
- About 25 minutes on a first attempt (estimated)
- Exam guides