SQL dla początkujących (Darmowy kurs online z certyfikatem)

This free online course will teach new users about the architecture, database schema, and operators used in SQL queries.

SQL is a user-friendly language used to create, implement, modify, and structure a database. Its features include large data retrieval, faster query processing, and multiple data views. This online course will introduce you to basic database design and architecture. You will learn to use primary, intermediate, and advanced SQL operators for backend data manipulation in your applications. Take this course to sharpen your SQL skills. Enrol now!

What You Will Learn In This Free Course

• Outline the steps to install SQL on your personal computer
• Separate data definition language from data manipulation language in the database schema
• Recall the essential keywords and statements used in SQL queries
• Recognize the SQL keywords for manipulating database entries
• Compute simple arithmetic operations with basic SQL operators
• Recognize the significance of advanced operators in SQL queries

We are Alison, one of the world’s largest free learning platforms for education and skills training. Founded in 2007, we are a for-profit social enterprise dedicated to making it possible for anyone to study anything, anywhere, at any time - for free and online. Through our mission we are a catalyst for positive social change, creating opportunity, prosperity, and equality for everyone.

Build Your Career In 3 Easy Steps

Free Personality Assessment, Understand Who You Truly Are!

Alison’s free Workplace Personality Assessment gives you a simple scientific report of your top skills & strengths in just 12 minutes. Take the recommended free courses to boost your strengths!

Fast Track Your Career With Alison's Career Guide

From software developer and business manager to head nurse and chef, browse 600+ exciting careers and the courses you need to achieve them. Discover all you need to know about job responsibilities, and the experience you require, and get suggested courses to learn the skills to succeed!

Get Hired, Create a Job-Winning Resumé

Create a job-winning Resumé with Alison’s Resumé Builder and apply for your dream job

Advance Your Career. Learn In-demand Skills.

Upskill in business analytics, health care, graphic design, management and more.