GROUP BY Clause in SQL | SQL Course Lecture 10 | MissionBtech
Автор: MissionBtech
Загружено: 2026-01-15
Просмотров: 5
MissionBtech ke is SQL Full Course ke Lecture 10 mein aapka swagat hai. Pichle lecture mein humne Aggregate Functions (SUM, COUNT, AVG, etc.) ke baare mein seekha tha. Aaj hum un functions ko aur behtar tareeke se use karne ke liye "GROUP BY Clause" ko vistaar se samjhenge.
Database mein jab humein data ko category-wise summarize karna hota hai (jaise: department-wise total salary ya city-wise number of students), tab GROUP BY ka use kiya jata hai.
Topics Covered in this Video:
What is GROUP BY Clause? (GROUP BY kya hota hai?)
Why do we use it with Aggregate Functions?
GROUP BY Syntax & Examples.
GROUP BY with WHERE Clause.
Practical Hands-on in MySQL.
Yeh video B.Tech (AKTU & others), BCA, MCA students aur un sabhi ke liye hai jo database management mein apni pakad mazboot banana chahte hain aur job-ready hona chahte hain.
Video Timestamps:
0:00 - Introduction
1:45 - Need for GROUP BY Clause
4:20 - Syntax and Practical Example
8:30 - Using GROUP BY with Aggregate Functions
12:15 - Common Mistakes & Interview Tips
15:00 - Summary & Practice Question
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Queries Solved in this Video:
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