π SQL Interview Trick You Must Know!
Just dropped a brand new video π₯
π Problem: Forward fill
π§ Covered: A smart use of
If you're preparing for SQL/Data Engineering interviews, this is the kind of trick that separates good from great π
Donβt miss this one!
πΊ Watch now: https://youtu.be/sBcMQfyb4eU?si=xPgvTcMOdSvAudSx
#SQL #InterviewPrep #DataEngineering #SQLTricks
Just dropped a brand new video π₯
π Problem: Forward fill
NULL values with the last non-null value in a SQL table.π§ Covered: A smart use of
FIRST_VALUE() and logic building that actually makes sense!If you're preparing for SQL/Data Engineering interviews, this is the kind of trick that separates good from great π
Donβt miss this one!
πΊ Watch now: https://youtu.be/sBcMQfyb4eU?si=xPgvTcMOdSvAudSx
#SQL #InterviewPrep #DataEngineering #SQLTricks
YouTube
Forward Fill NULLs using FIRST_VALUE() | This SQL Interview Trick Blew My Mind π€― | SQL Interview
π₯ SQL Interview Favorite β Forward Fill NULLs Like a Pro!
Have you ever been asked to forward fill `NULL` values in SQL with the last non-NULL value?
This is a classic data engineering interview question β and many folks get stuck here!
π¨βπ» Problem:
You'reβ¦
Have you ever been asked to forward fill `NULL` values in SQL with the last non-NULL value?
This is a classic data engineering interview question β and many folks get stuck here!
π¨βπ» Problem:
You'reβ¦