SQL ALTER TABLE Command: ADD, MODIFY & DROP Column | Part 8 | Hindi Tutorial
Next Tech Analyst | SQL ALTER TABLE Command: ADD, MODIFY & DROP | Part 8
Welcome back to the SQL Full Course in Hindi! In Part 8, we explore one of the most important DDL commands: ALTER. In real-world projects, requirements often change, and you need to modify your existing tables without deleting them. This video will teach you exactly how to do that.
This tutorial is a must-watch for beginners and university students (BTech/BCA/BSc) preparing for RGPV, DU, AKTU, and other semester exams.
What You Will Learn in This Video:
ALTER TABLE Overview: Why and when to use the Alter command.
ADD Column: How to add new columns to an existing table.
MODIFY Column: How to change data types or increase character limits (e.g., VARCHAR size).
DROP Column: How to permanently remove unnecessary columns from your table.
RENAME: Changing column names for better clarity.
Practical Demo: Modifying our 'Employee' table live in the SQL editor.