SQL lecture - 4 | Create Database & Table | NMD Pvt Ltd
Mastering MySQL CREATE Statements: Build Databases and Tables from Scratch!
In this video, we’ll explore how to use CREATE statements to build databases and tables in MySQL. Creating a proper database structure is the foundation for any data-driven project, and this session will equip you with the skills to do it right.
We’ll cover:
Part 1: Creating Databases
What is a Database? Organizing and storing data efficiently
How to use the CREATE DATABASE statement to build a new database
Adding character sets and collations for language-specific data
Switching between databases using the USE command
Practical example: Creating a school or e-commerce database
Part 2: Creating Tables
What is a Table? Defining the structure to store records
How to use the CREATE TABLE statement with columns and data types
Primary keys, unique constraints, and default values in table creation
How to create tables with foreign keys for relational databases
Handling auto-increment fields for unique IDs
Practical example: Creating a students table with relevant fields
Modifying tables using ALTER TABLE if you need to make changes
Bonus: Best Practices
Naming conventions for databases, tables, and columns
Using descriptive data types to optimize storage and performance
Avoiding common pitfalls, like forgetting to define primary keys
Tips for creating backup-friendly databases
This lecture is perfect for beginners and intermediate learners who want to confidently build databases and tables from scratch using SQL.
📌 What you'll learn:
How to create databases with the CREATE DATABASE statement
How to build tables with proper data types and constraints
How to use primary keys and foreign keys to structure relationships
Best practices for naming and optimizing tables
Practical tips for managing changes with ALTER commands
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