Databricks Free Edition: ELT with Spark: Associate Certification скачать в хорошем качестве

Databricks Free Edition: ELT with Spark: Associate Certification

🎯 Description: Master the most important SQL skills for Databricks Data Engineer certification! In this video, I cover 14 key SQL concepts with examples in Databricks SQL — from casting timestamps, calendar data extraction, JSON parsing, array functions, to advanced joins, PIVOT, SQL UDFs, and security. If you're preparing for the Databricks Data Engineer Associate exam, this video is your ultimate SQL guide! What you'll learn: Cast columns to timestamps Extract day, month, year from dates Extract patterns from strings using regex Dot syntax to access nested JSON fields Array functions like size, array_contains Parse JSON strings into structs Join queries explained (Inner, Left, Right, Semi, Anti) When to use EXPLODE vs FLATTEN PIVOT: Convert long data to wide format Define and use SQL UDFs in Databricks Locate and manage UDFs securely with Unity Catalog Use CASE WHEN for conditional logic and control flow https://github.com/datatez80/databric... ✅ Perfect for Databricks certification aspirants and SQL learners!