SQL Basics Explained | SQL Data Types, Database Languages & SQL Operators | Beginner Tutorial

Published: 03 July 2026
on channel: Technosights

🚀 Start your SQL journey with this complete beginner-friendly tutorial!

In this video, you'll learn the fundamental concepts of SQL, including SQL Basics, SQL Data Types, SQL Literals, Database Languages (DDL, DML, DQL, DCL, TCL), and SQL Operators with practical examples.

This tutorial is ideal for students, beginners, engineering aspirants, and anyone preparing for DBMS, SQL, Oracle Database, placements, or technical interviews.

📚 Topics Covered

✅ What is SQL?
✅ Features and Applications of SQL
✅ SQL Data Types

Numeric Data Types
Character Data Types
Date & Time Data Types
Large Object (LOB) Data Types

✅ SQL Literals

Numeric Literals
String Literals
Date Literals

✅ Database Languages

DDL (Data Definition Language)
DML (Data Manipulation Language)
DQL (Data Query Language)
DCL (Data Control Language)
TCL (Transaction Control Language)

✅ SQL Operators

Arithmetic Operators
Comparison Operators
Logical Operators
Special Operators (IN, BETWEEN, LIKE, IS NULL)

🎯 This video is useful for:
B.Tech Students
BCA & MCA Students
M.Tech Students
Computer Science & IT Students
Beginners Learning SQL
Oracle Database Learners
Placement & Interview Preparation
DBMS Course Learners

📌 Watch the complete DBMS & Oracle SQL playlist to master database concepts from basics to advanced topics.

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