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SQL Aggregations & Grouping Today, I explored GROUP BY and aggregation functions, which are vital for summarizing data. Common Aggregate Functions: 🔹 COUNT (): Number of rows 🔹 SUM ...
Say I'm using SQL and I have EmployeeID, EmployeeSalaryI want a graph that shows the count of employees by various salary ranges:150KSo in SQL I'd use some group by statements and toss in a ...
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