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Databricks Data Engineer Certification
·
Module 3
Advanced Delta Lake Features
1
Managing Delta Table Retention Policies
Configure Delta table properties for log retention and data retention.
2
Optimizing Delta Table Reads with OPTIMIZE and Z-ORDER
Optimize Delta table read performance using OPTIMIZE and Z-ORDER.
3
Optimizing Database Performance with VACUUM
Configure and run VACUUM to manage file storage and retention.
4
Schema Evolution with mergeSchema and overwriteSchema
Implement schema evolution using mergeSchema and overwriteSchema options.
5
Auditing Delta Table Changes with DESCRIBE HISTORY
Use DESCRIBE HISTORY to audit Delta table changes.
Previous module
Delta Lake Fundamentals
Next module
Incremental Data Ingestion