SQL Count(), Avg(), Sum() – Unraveling SQL Aggregation Functions Count(), Avg(), Sum()
Let’s delve into the wonderful world of SQL (Structured Query Language), focusing on three pivotal functions: COUNT, AVG, and SUM. If you’re managing databases, these functions are crucial for data analysis and manipulation. But don’t worry if you’re a beginner; we’ll guide you through with easy-to-understand examples and sample data. Before we begin, let’s set …
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