ダイナミックマイクとコンデンサーマイクの違い！？

Learn SQL in 60 seconds — follow for the full series! In SQL you can use aggregation functions to analyze your data fast — directly inside the SELECT statement. Here’s what you’ll learn in this tutorial: ✅ SUM() — adds up all values in a column ✅ AVG() — finds the average ✅ MIN() & MAX() — show the smallest and largest values Turn raw data into insights with just one line of SQL. 💡 👉 Follow our page for more SQL tips & mini-lessons. 👉 Want hands-on practice? Find the full SQL course in our bi