Скачать или смотреть ORDER BY Clause in SQL Explained with Coding 🔥 | ASC, DESC, Multiple Columns, WHERE & GROUP BY

In this video, I teach the ORDER BY clause in SQL in a clear, beginner-friendly way with practical coding examples.

00:00 – Introduction to ORDER BY
00:55 – Ascending vs Descending (ASC / DESC)
02:55 – ORDER BY with Multiple Columns
05:01 – ORDER BY with WHERE
06:14 – ORDER BY with GROUP BY

The ORDER BY clause is used to sort the result set of a query in ascending or descending order. It is usually written at the end of a SELECT statement and is one of the most commonly used clauses in SQL.

If you want to properly display, analyze, or organize your data, understanding ORDER BY is essential.

🔹 What is ORDER BY in SQL?

The ORDER BY clause sorts data:

✔ Smallest to largest (numbers)
✔ A–Z (text)
✔ Oldest to newest (dates)

By default, sorting is Ascending (ASC).

🔹 Topics Covered in This Video

✅ Basic ORDER BY syntax
✅ Ascending order (ASC – default behavior)
✅ Descending order (DESC)
✅ ORDER BY with multiple columns
✅ Sorting inside groups
✅ ORDER BY with WHERE clause
✅ ORDER BY with GROUP BY
✅ Execution order explanation (Filtering → Grouping → Sorting)

🔹 Concepts Explained with Coding
1️⃣ Basic Syntax

How ORDER BY works at the end of a SELECT statement.

2️⃣ Ascending Order (Default)

✔ Smallest to largest
✔ A–Z for text
✔ Oldest to newest for dates

Equivalent to:
ORDER BY column_name ASC

3️⃣ Descending Order

✔ Largest to smallest
✔ Z–A for text
✔ Newest to oldest

Using:
ORDER BY column_name DESC

4️⃣ ORDER BY Multiple Columns

SQL sorts:

1️⃣ By the first column
2️⃣ If values are equal → sorts by the second column

Example:
First sort by department
Then sort by marks inside each department (highest first)

5️⃣ ORDER BY with WHERE

👉 WHERE filters rows first
👉 ORDER BY sorts the filtered result

Execution Flow:
Filtering → Sorting

6️⃣ ORDER BY with GROUP BY

👉 GROUP BY creates groups
👉 Aggregate functions calculate values
👉 ORDER BY sorts the final grouped result

Execution Flow:
Filtering → Grouping → Aggregation → Sorting

🎯 Who Should Watch?

✔ SQL Beginners
✔ DBMS Students
✔ BCA / MCA / BTech Students
✔ Interview Preparation Students
✔ Anyone learning Database & SQL

This topic is very important for:
• SQL Interviews
• College Exams
• Real-world Data Analysis
• Backend Development

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