SQL ALTER TABLE Explained | Add, Modify & Drop Columns in SQL (Step-by-Step)
Автор: Query to Career DW
Загружено: 2026-01-08
Просмотров: 12
ADD, MODIFY, RENAME, and DROP columns using simple examples, making it perfect for beginners, Data Analysts, and Business Analysts.
✅ What You’ll Learn in This Video
✔ What is ALTER TABLE in SQL
✔ How to ADD a new column to an existing table
✔ How to MODIFY column datatype or size
✔ How to RENAME columns and tables
✔ How to DROP columns safely
✔ Best practices while altering tables in real projects
📌 Topics Covered
ALTER TABLE ADD column
ALTER TABLE MODIFY / CHANGE column
ALTER TABLE DROP column
ALTER TABLE RENAME
SQL table structure changes
Practical SQL examples
👨💻 Who Should Watch This Video?
SQL Beginners
Data Analysts & Business Analysts
Students preparing for SQL interviews
Anyone working with databases like MySQL, Oracle, PostgreSQL
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