Free Online SQL Courses and Certifications 2024
SQL (Structured Query Language) is a powerful language used to manage data in relational databases. It is used in many fields, such as web development, software engineering, and data analysis. People who are interested in these fields can benefit from taking courses in SQL to gain a better understanding of the language.
Popular Courses
Get a comprehensive overview of SQL and Relational Databases 101
Learn More This course is all about big data and distributed computing using Apache Spark. It is designed for students with SQL experience who want to take the next step on their data journey. Through four modules, students will gain a thorough understanding of the Spark architecture, queries within Spark, common ways to optimize Spark SQL, and how to build reliable data pipelines. They will also learn about storage vs. compute, caching, partitions, and troubleshooting performance issues via the Spark UI. Additionally, students will explore new features in Apache Spark 3.x such as Adaptive Query Execution, connecting to databases, schemas and data types, file formats, and writing reliable data. Finally, they will learn about data lakes, data warehouses, and lakehouses, and build production grade data pipelines by combining Spark with the open-source project Delta Lake. By the end of this course, students will have honed their SQL and distributed computing skills to become more adept at advanced analysis.
Learn More This course, SQL for Data Science, is designed to give you a primer in the fundamentals of SQL and working with data so that you can begin analyzing it for data science purposes. You will learn how to retrieve and work with data, and use SQL to select data from tables, create new tables, filter and pare down results, combine data, and use case statements. You will also discuss topics on data governance and profiling, and practice using real-world programming assignments. By the end of this course, you will be able to interpret the structure, meaning, and relationships in source data and use SQL as a professional to shape your data for targeted analysis purposes.
Learn More Explore the essentials of Introduction to Transact SQL
Learn More Gain an introduction to Implementing ETL with SQL Server Integration Services
Learn More This SQL Tutorial - Full Database Course for Beginners is an online course designed to teach beginners the basics of SQL. It covers topics such as what a database is, tables and keys, SQL basics, MySQL installation, creating tables, inserting data, constraints, updating and deleting data, basic queries, company database introduction, creating a company database, more basic queries, functions, wildcards, union, joins, nested queries, on delete, triggers, ER diagrams introduction, designing an ER diagram, and converting ER diagrams to schemas. This course is comprehensive and provides a great introduction to SQL for beginners.
Learn More This online course is a great introduction to SQL and databases for beginners. It covers the basics of SQL and databases, how to connect to MySQL, and an introduction to MySQL. It is a comprehensive course that will help students understand the fundamentals of SQL and databases. It is well-structured and easy to follow, making it a great starting point for those new to the subject. The course is also suitable for those who want to refresh their knowledge of SQL and databases. Overall, this is an excellent course for anyone looking to learn the basics of SQL and databases.
Learn More This course provides an introduction to SQL for data scientists. It covers topics such as SELECT, JOIN, WHERE, Aggregations, CASE WHEN Statements, Common Table Expressions CTEs, Window Functions, and two applications: Time Series Forecasting and Fraud Prediction. It is designed to help data scientists gain the skills they need to work with SQL.
Learn More This course is the perfect introduction to SQL programming. It covers everything you need to know to get started, from setting up the software to understanding the basics of manipulating data and creating databases. With this course, you'll learn the theory behind SQL and how to think like a programmer. You'll also get plenty of practice to help you reach your full potential. Plus, the course is designed for those with no prior programming experience. And with a 100% satisfaction guarantee, you can't lose - enrol now and start learning today!
Learn More This SQL Programming Essentials Immersive Training is the perfect course for anyone who wants to become a professional database engineer. Learn and practice the essential concepts of SQL Programming quickly and effectively without wasting your valuable time. With this course, you will be able to build, work with, handle and manage databases easily and in no time. You will learn SQL tools and working environments, selecting, modifying, inserting, updating and deleting data, working with different data types and operations in SQL, sorting and limiting tables, powerful SQL functions and aggregation, building databases and tables, setting rules to tables data, managing and joining multiple tables, setting conditions and more. Plus, you will have the instructor QA Support. Enroll now and become a SQL Programming Rockstar in no time!
Learn More This SQL Course 2023 is a complete boot camp for mastering SQL query and PostgreSQL. It covers topics such as using real world PostgreSQL databases, creating tables, filtering operators, renaming columns, functions, group by and having clauses, aggregation queries, case clauses, table joins, window functions, and more. There are many test your self quizzes and challenges distributed throughout the course, as well as a final exam. Additionally, you will learn how to use Python with SQL Postgres database and use Python Pandas to analyze and visualize Postgres data output. With this course, you will gain the skills you need to retrieve insightful data from a database and become an expert in SQL and PostgreSQL.
Learn More This course is the perfect way to learn SQL quickly and effectively! With this course, you'll learn how to read and write complex queries to a database using PostgreSQL, one of the most in demand tech skills. You'll also learn how to use Python to further advance your SQL skills. This course is designed to combine the best of both online and in-person instruction, allowing you to learn at your own pace through an interactive environment. With challenges and tests along the way, you'll be able to upgrade your skill set quickly and add SQL to your resume. Join today and start learning!
Learn More This Ultimate MySQL Bootcamp course is the perfect way to learn the highly in-demand skill of SQL. With over 325 brand new videos, this course covers all the basics and more, including Window Functions, Views, and SQLmodes. It's perfect for anyone who wants to gain insights from data but is intimidated by databases. Through this course, you'll learn to generate reports, analyze data, write SQL joins, design and implement complex database schemas, and more. Plus, you'll get to practice what you learn with exercises, challenges, projects, and real-world scenarios. Enroll today and start learning SQL!
Learn More This course is the perfect opportunity to learn SQL and gain a competitive advantage in the job market. With an average salary of $103,400, SQL developers are in high demand. This course covers a variety of topics, from the basics to more advanced topics, and is taught in MySQL, the most popular SQL database management system. It also includes downloadable exercises, course notes, and quiz questions. With over 1,750,000 students already enrolled, this course is the best training material out there. Upon completion, you will receive a certificate of completion to upload to LinkedIn and show potential employers. Don't miss out on this great opportunity - click the "Buy now" button and start your journey today!
Learn More Are you looking to learn SQL and databases, or to improve your career options by having skills in SQL and MySQL? This course is perfect for you! It will help you understand and apply SQL with MySQL, including Database Design and Data Analysis. You will learn key concepts such as Structured Query Language, MySQL, Database Design, Data Analysis, and more. You will also learn how to create, modify, and delete tables in a database, insert, update, and delete data from tables, and select queries. Plus, you will learn how to create databases and how to normalize and create relationships. With this course, you will have the skills and knowledge you need to increase your job or consulting opportunities. Don't wait any longer - sign up for the course today and start learning!
Learn More Discover the fundamentals of Oracle Database 19c: Basic SQL
Learn More SQL Courses
Career Trends
Career Prospects
| Average Salary | Position Overview
|
SQL Developer | $158,437 per year
| SQL Developer offers robust editors that allow users to work with SQL, PL/SQL, Stored Java Procedures, and XML. With SQL Developer, users can perform various actions such as running queries, generating execution plans, exporting data in various formats (XML, Excel, HTML, PDF, etc.), executing, debugging, testing, and documenting database programs, among many other features. |
Senior Data Engineer | $203,025 per year | The Senior Data Engineer is responsible for supervising the data integration tasks in the department, which includes creating a data model, managing a data warehouse and analytics environment, and writing scripts for data integration and analysis. |
Data Analyst | $45,197 per year | A data analyst analyzes data to uncover significant insights regarding a business's customers and identifies how the data can be utilized to resolve problems. They also convey this information to company executives and other individuals with a vested interest. |
SQL Server consultant | $121,360 per year | As an SQL Server consultant, your primary responsibility is to provide assistance with the installation and configuration of an SQL Server system. You may also assist with migrating projects or data into the database, troubleshoot and fix programming errors, and offer guidance and support in setting up hardware. |
Python Developer | $122,667 per year | A Python Developer is a valuable member of a software team who possesses expertise in creating, designing, and delivering computer applications and other programs using Python. In addition to this, a Python Developer is accountable for identifying and rectifying errors (debugging) in development projects based on Python. |
Educational Paths
1. Online courses: Websites like Udemy, Coursera, and edX offer online SQL courses that can help you learn the basics and advanced concepts of SQL.
2. Books: There are many books available on SQL that can help you learn the language from scratch or improve your existing knowledge.
3. Community college courses: Community colleges often offer courses in SQL and database management that can provide a more structured approach to learning.
4. Bootcamps: There are many bootcamps available that focus on teaching SQL and database management, providing an intensive and immersive learning experience.
5. Self-learning: There are many online resources available for learning SQL, such as tutorials, blogs, and forums. By dedicating time and effort to self-learning, you can gain a strong understanding of SQL.
Frequently Asked Questions and Answers
Q1: What is SQL and how is it used?
SQL serves as a means of communication with databases and is recognized as the standard language for relational database management systems by ANSI (American National Standards Institute). It enables the execution of various tasks, including updating and retrieving data from databases.
Q2: Can I teach myself SQL?
Many students have successfully learned SQL at their own convenience and speed by taking our interactive courses. Whether or not you choose to use Dataquest, it is entirely feasible to independently learn SQL.
Q3: Is SQL dying out?
SQL is expected to remain in use for a considerable period due to its numerous advantages. It enjoys immense popularity among data professionals and is extensively utilized by leading tech companies that heavily rely on relational databases and SQL. Moreover, professionals working with data are accustomed to SQL, making it a daunting task to retrain them to adopt a different tool.
Q4: What SQL courses can I find on AZ Class?
On this page, we have collected free or certified 969 SQL online courses from various platforms. The list currently only displays up to 50 items. If you have other needs, please contact us.
Q5: Can I learn SQL for free?
Yes, If you don’t know SQL, we recommend that you try free online courses, some of which offer certification (please refer to the latest list on the webpage as the standard). Wish you a good online learning experience!