1. Basic concept of SQL. Tables, Databases, DBMS, RDBMS and SQL explained in detail.

SQL Basics for Beginners | Learn SQL | SQL Tutorial for Beginners | Edureka

SQL Tutorial for Beginners

SQL Create Table and Insert Data - A Complete Tutorial

SQL Tutorial for Beginners 2: Creating Your First Table

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11 - Constraints in SQL | Example | Primary Key | Foreign Key | NOT NULL | Unique | Check | Default

SQL Constraints - Lesson 5 - Create or Add Constraints (Primary Key, Foreign Key, Default etc.)

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