21-Aggregate Functions in SQL | SUM | COUNT | AVG | MAX | MIN | Important Interview Query | COUNT(*)

[@Dr.KammilijaganMohan]

Nice explanation. Thank you so much....

[@javajugadcode1429]

Helpful videos 🎉

[@CodeEra2020]

Thank you so much. 😊

[@it_21_debjitghosh42]

Nice explanation 🙏

[@sabarisabari1422]

Super explanation

[@mostaphadahmane7583]

Hello, my sweet teacher I hope you're doing well, I thank you so much for this helpful video and i hope you s good luck --- Mostapha from Algeria

[@CodeEra2020]

Thank you so much Mostapha. We are very glad that our videos helped you.
Thank you so much for watching.

[@vitthalsabale7108]

Hi Saloni, Thank you for sharing your SQL videos, it help lots of students who is beginner.
I am getting below error while trying to find SUM or AVG salary from Department column using SUM & AVG functions on SQL server
Msg 8117, Level 16, State 1, Line 27
Operand data type varchar is invalid for sum operator.

[@CodeEra2020]

Please share your SQL query