Delta Lake tables and maintenance

DP-750 · Ingest and transform data · Updated

Use MERGE, time travel, VACUUM retention, OPTIMIZE and liquid clustering to keep Delta tables correct and fast.

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The first 2 DP-750 lessons are free. Full access opens every lesson with its practice questions, and the exam-style DP-750 question bank.

In this lesson
  • Upserts with MERGE
  • Time travel and history
  • Retention and VACUUM
  • Layout and performance
  • Exam traps
  • Practice questions

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DP-750 course outline

All 8 lessons · Course overview
  1. Choosing Azure Databricks computeSet up and configure an Azure Databricks environment Free
  2. Unity Catalog objects and storageSet up and configure an Azure Databricks environment Free
  3. Delta Lake tables and maintenanceIngest and transform data Full access
  4. Auto Loader and Structured StreamingIngest and transform data Full access
  5. Lakeflow Declarative PipelinesBuild and manage data pipelines Full access
  6. Lakeflow Jobs, scheduling and deploymentBuild and manage data pipelines Full access
  7. Securing data with Unity CatalogSecure, govern and optimize workloads Full access
  8. Lineage, audit logs and data quality monitoringSecure, govern and optimize workloads Full access