Difference Between count(*) ,count(0),count(-1),count(col),count('SQL') | SQL Interview question​

Опубликовано: 16 Апрель 2026
на канале: Data Info @Rajanikanth Gaja
225
12

In this video, we will discuss a very basic  SQL interview question. There are different ways to count tables. We will discuss what the output will be in each case.

Hi, this is Rajanikanth Gaja and I post videos on Computer Science related concepts, especially data-related technologies, these videos will help you in interviews as well as in clearing your theory and coding questions. If this channel helped you even a bit, please consider subscribing to the channel.

If you need any personal help in SQL, Mock interviews, or Coding help You can contact me at [email protected], Please note it will be charged.
Thank you :)

✨ Work-related E- emails can be sent to: [email protected]