Struggling to understand the difference between the WHERE and HAVING clauses in SQL? This video breaks down these two filtering clauses in a clear, concise way, perfect for SQL beginners. This question frequently arises in SQL based interviews, so you should know the difference between the two!
We'll dive deep into:
When to use WHERE to filter rows before aggregation
When to use HAVING to filter rows after aggregation
Of course my example includes sports related data to make the lesson more entertaining!
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1:20 WHERE clause
5:05 HAVING clause
6:47 GROUP BY vs Partition BY
8:28 Keys to Remember
#sql #sqltutorial #sqlforbeginners #sqlserver #analytics #data #dataanalyst
5 авг 2024
