The TRUTH about Aggregate functions and NULL values!
Free SQL Pattern Training: https://etlsql.kartra.com/page/sps-fr...
Check for more details: https://etlsql.kartra.com/page/sql-pa...
Do you understand SQL but still cannot write SQL queries correctly ?
Are you afraid to switch jobs because of the SQL interview rounds or have you failed SQL Interview earlier ?
If you are someone who understands SQL and need more confidence to solve SQL queries correctly, I would like to share my recent online course especially created for you.
In this video I have tested if aggregate functions like COUNT actually ignore the NULL values during calculation.
I have also shared 2 solutions to overcome it.
En esta página del sitio puede ver el video en línea The TRUTH about Aggregate functions and NULL values! de Duración hora minuto segunda en buena calidad , que subió el usuario ETL-SQL 20 junio 2023, comparta el enlace con amigos y conocidos, en youtube este video ya ha sido visto 542 veces y le gustó 15 a los espectadores. Disfruta viendo!
![SQL Timestamp ETL timezone problems are a NIGHTMARE [ETL Scenario -4] #sql #etl](https://image.4k-video.ru/id-video/7OQGTmU-SHs)
![Aggregate Fact Tables in Data Warehouse - Concept you must know [ETL Scenario -5] #etl #sql #dwh](https://image.4k-video.ru/id-video/Sy4_pkUqGmE)
![ETL Script Types and Concepts: The Ultimate Guide [ETL Scenario -3] #etl #sql](https://image.4k-video.ru/id-video/Xol-A26o6MQ)
![Intra-day Job orchestration & SQL: A full tutorial with example [ETL Scenario -2] #etl](https://image.4k-video.ru/id-video/kbQceQLRRZI)
![Do NOT run DROP TABLE in PRODUCTION. Use 2 alternate solutions [ETL Scenario -1 ] #etl #sql](https://image.4k-video.ru/id-video/FrlhAScErV8)
![The Frightening Reality Of Missing Records In An ETL Scenario [ETL Scenario -6] #sql #etl](https://image.4k-video.ru/id-video/w6SRJI0KZ6Q)
