Data World 1 · Lake Foundations · Stage 3

Find the Schema

A crawler describes what is there, one table per compatible set; it never joins what is different.

  • AWS Glue crawlers
  • Glue Data Catalog
  • Schema changes
  • Glue ETL jobs
Domain
Data engineering
World
Data World 1: Lake Foundations (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
  • SAA-C03Task 3.5: Determine high-performing data ingestion and transformation solutions
  • DEA-C01Skill 2.2.2: Build and reference a technical data catalog (for example, AWS Glue Data Catalog, Apache Hive metastore); Skill 2.2.3: Discover schemas and use AWS Glue crawlers to populate data catalogs; Skill 2.4.2: Address changes to the characteristics of data; Skill 1.2.3: Integrate data from multiple sources