SQL SELECT 04: Using BETWEEN, DISTINCT & Handling NULL Values
📌 Master essential SQL techniques for better data handling! In this lesson, we explore:
✔️ BETWEEN – Filtering data within a range (e.g., dates, numbers, text)
✔️ DISTINCT – Removing duplicate values from results
✔️ Handling NULL Values – Using IS NULL and IS NOT NULL
🔹 Real-world examples using an Patients table to make concepts easy to understand!
By the end of this video, you’ll know how to clean, filter, and refine your query results effective
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