What does data virtualization in watsonx.data enable that traditional ETL does not?
Select an answer to reveal the explanation.
Short Explanation and Infographic
Data virtualization creates a logical view of external data sources through Presto connectors; users can run SQL queries that join watsonx.data lakehouse tables with external Db2 or PostgreSQL tables without any data movement.
Full explanation below image
Full Explanation
Data virtualization creates a logical view of external data sources through Presto connectors; users can run SQL queries that join watsonx.data lakehouse tables with external Db2 or PostgreSQL tables without any data movement. The incorrect options ("Faster writes to object storage by pre-compressing data at ingestion", "Automatic schema evolution when source database schemas change", "Real-time replication of changes from source databases to Iceberg tables") are distractors that don't fully capture the concept described.