SQL DDL Commands Explained in One Video | CREATE, ALTER, DROP, TRUNCATE, SCHEMA & CONSTRAINTS |

Learn SQL DDL (Data Definition Language) Commands from scratch with real-world examples and interview-focused explanations.

In this SQL tutorial, you will understand:

✅ What is DDL in SQL
✅ CREATE TABLE command with line-by-line explanation
✅ ALTER TABLE (ADD, MODIFY, DROP COLUMN)
✅ DROP TABLE and DROP DATABASE
✅ TRUNCATE TABLE explained clearly
✅ Difference between DROP and TRUNCATE
✅ What is Database with real-life examples
✅ What is Schema in SQL (Detailed Explanation)
✅ Why Table Structure Matters in Real Projects
✅ SQL Constraints Explained
✅ SQL Interview Questions & Answers

This SQL course is designed in Hinglish with real-life analogies, practical examples, and industry-level explanations so that students, freshers, developers, and interview candidates can understand database concepts easily.

Timestamps:
00:35 DDL Commands in SQL
01:25 Creating a Table
01:58 CREATE TABLE Example
03:40 ALTER Command
05:00 MODIFY Column
06:13 DROP Command
07:10 DROP TABLE
09:40 TRUNCATE Command
10:44 What is Schema
13:39 What is Constraint
15:00 Revision

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Видео SQL DDL Commands Explained in One Video | CREATE, ALTER, DROP, TRUNCATE, SCHEMA & CONSTRAINTS | канала Coding with Nirmala