Data Warehouse Explained Simply | LIVE Demo (Module 1.4) скачать в хорошем качестве

Data Warehouse Explained Simply | LIVE Demo (Module 1.4)

In this video, we explain What a Data Warehouse really is using a REAL Snowflake live demo. This tutorial is part of the DCI SQL & Data Engineering foundation series and is perfect for beginners, analysts, and aspiring data engineers. You’ll clearly understand: • Why OLTP databases should NOT be used for analytics • What a Data Warehouse actually does • ETL vs ELT explained in simple terms • Why modern cloud platforms like Snowflake use ELT • What compute really means in a data warehouse This video includes: ✔ Real Snowflake data warehouse ✔ Live SQL analytics queries ✔ Interview-ready concepts (DCI focused) 0:16 Why do we need a Datawarehouse? 1:26 What is a data warehouse? 2:14 Key features of a data warehouse 4:23 ETL vs ELT (How data enters data warehouse) 5:55 Data warehouse vs Database 7:00 Snowflake 7:01 Live Demo Snowflake Datawarehouse 9:16 How data flows into Datawarehouse 10:21 Benefits of Datawarehouse Row Store Vs Column Store :    • Row Store vs Column Store: The Architectur...   🔥 If you’re preparing for data engineer interviews, SQL interviews, or want to move from SQL developer / analyst to data engineer, this video will give you crystal-clear fundamentals. Tools & concepts covered: • Data Warehouse fundamentals • Snowflake basics • OLTP vs OLAP • ETL vs ELT • Fact tables • Cloud data platforms • SQL for analytics #DataWarehouse #Snowflake #SnowflakeTutorial #SnowflakeLiveDemo #ETLvsELT #SQLForDataEngineering #DCISQL #DataEngineerTutorial #OLTPvsOLAP #CloudDataWarehouse #FactTable #SnowflakeForBeginners #SQLInterviewPreparation #DataEngineeringFundamentals