SQL Interview

How To use the HAVING clause in SQL query?

SQL having clause is used where you have to use some kind of aggregate as a condition. SYNTAX: EXAMPLE This is a demo table. Now suppose you have to find the subjects with average marks more than 80, here is how you will do it. Here is what happens when you use WHERE clause instead …

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SQL Interview Questions for Data Jobs- 2023

SQL is the most important computer language if you want to get hired in any type of company nowadays. Without SQL it is impossible to work with big data. If your Job has any relation to data. I think it is very important to master SQL and basic database fundamentals. Here are some important questions …

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