SQL Constraints, Aliases & Operators Explained with Examples | SQL Basic To Advance |Creative Notes

In this video, you will learn Oracle SQL Constraints and Operators with clear explanations and practical examples. This session is specially designed for students, beginners, and exam preparation. We cover all important SQL concepts step by step, including constraints, aliases, arithmetic operators, logical operators, set operators, and special operators using real SQL queries. 📚 Topics Covered in This Video 🔹 Oracle SQL Constraints NOT NULL Constraint PRIMARY KEY Constrain UNIQUE Constraint FOREIGN KEY Constraint CHECK Constraint Constraints using CREATE and ALTER 🔹 SQL Aliases Column Alias Table Alias Practical examples 🔹 SQL Operators Arithmetic Operators Comparison Operators Logical Operators 🔹 Set Operators UNION UNION ALL INTERSECT MINUS 🔹 Special Operators IN / NOT IN BETWEEN / NOT BETWEEN LIKE / NOT LIKE IS NULL / IS NOT NULL EXISTS 🔹 Practice Queries Real-time examples using EMP, AGENTS, CUSTOMERS, ORDERS tables 👉 What you’ll learn in this Oracle SQL Tutorial : 00:00:00 – Introduction to SQL Concepts 00:00:12 – What are Oracle SQL Constraints? 00:00:16 – Types of Constraints in Oracle 00:00:31 – NOT NULL Constraint (Explanation & Example) 00:01:32 – PRIMARY KEY Constraint 00:02:35 – UNIQUE Constraint (Inline & Out-of-line) 00:03:59 – FOREIGN KEY Constraint 00:05:48 – CHECK Constraint 00:07:35 – Summary of Constraints (CREATE & ALTER) 00:08:41 – SQL Aliases Introduction 00:09:02 – Column Alias with Examples 00:09:51 – Table Alias with Examples 00:10:26 – Introduction to SQL Operators 00:10:46 – Arithmetic Operators with Examples 00:11:50 – Comparison (Relational) Operators 00:12:32 – Logical Operators (AND, OR, NOT) 00:15:08 – Set Operators (UNION, UNION ALL, INTERSECT, MINUS) 00:16:57 – Special Operators 00:25:05 – Practice Questions & Queries #OracleSQL #SQLConstraints #SQLOperators #SQLTutorial #SQLForBeginners #Database #Oracle #SQLQueries #ComputerScience #ExamPreparation