Learn SQL by Examples

By understanding database SQL, you gain a powerful tool to unlock the potential of your data, improve efficiency, and make data-driven decisions.
Source:educba

Great Benefits of Knowing Database SQL

- Enhanced Data Interaction:SQL facilitates efficient retrieval, manipulation, and management of relational database data and Simplifies interaction with databases, eliminating the need for extensive coding knowledge.
- Increased Efficiency and Productivity:Quick data retrieval and analysis with SQL, saving time and effort and Automation of repetitive data tasks, allowing focus on higher-level analysis.
- Improved Data Analysis and Decision Making:Extract valuable insights from data using SQL, aiding in better decision-making. SQL serves as a foundation for learning advanced data science tools.
Greater Career Opportunities: SQL proficiency is highly sought-after in fields like data analysis, web development, and IT. Enhances employability and competitiveness in the job market.

Getting Start:

MySQL: How to Get Start and Install MySQL >> Watch the videos
PostgreSQL: How to Get Start and Install PostgreSQL >> Watch the videos
Learn More Introduction to Database (SQL) in Khmer with videos: Chapter 1 | Chapter 2 | Chapter 3

Learn by Examples:

1. Library Borrow Book Example in MySQL


#1 Write SQL to Create Tables and Relationship for Library Database Watch the videos
#2 Exercise 1: Top 10 SELECT SQL Statements Examples with video Watch the videos
#3 Exercise 2: 10 SQL SELECT Statement with Questions and Answers Watch the videos
#4 Exercise 3: SELECT SQL Statement with Questions and Answers Watch the videos

2. Employee Database Example in PostgreSQL

This example include the following main points:
- How to install and download PostgreSQL
- How to get start with pgAdmin and set font size
- How to create Employee table
- How to insert data into the table
- How to update data base on condition
- How to delete data from table
- How to select data from the table: Watch ALL the videos

More Examples Will Update Here Later ON