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The 10 Free Online Courses to learn SQL in 2023 |
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| With the growing demand for data scientists and database developers, it’s no surprise that SQL certification free has become one of the most demanding skills
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| The following list contains the top 10 sites where you can take a course to improve your sql skills online
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1/ SQL Server Basics (Simplilearn) with Completion Certificate
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| | | Learn SQL (Structured Query Language) and develop a functional knowledge of the leading programming language for relational database management systems. The Introduction to SQL course will cover important topics like MySQL, PostgreSQL and SQL Server, built-in SQL functions, joins and subqueries stored procedures.
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2/ Introduction to Databases and SQL Querying (Udemy)
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| | | This course introduces the basic concepts of data science and the tools used to work with data. It covers the basics of databases and SQL queries with no prerequisites required. All you need is a Windows machine, and you’ll be walked through the setup process of creating your first table and writing your first query. You’ll also learn how to use date, string, and aggregation functions. At the end of the course, you’ll have the skills to write simple queries confidently.
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3/ SQL for Data Science (DataCamp)
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| | | Learn the basics of Structured Query Language (SQL) and jump-start your career in the data industry! In this introductory course, you’ll get an overview of SQL and the relational databases it works with. You’ll learn how to set up a database, create queries, and customize your results. Plus, you’ll get to know the differences between PostgreSQL and SQL Server and how to use both. So get started now and get a certificate at the end!
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4/ Database Design and SQL Foundations (Udemy)
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| | | This course teaches the fundamentals of Structured Query Language (SQL). You get to learn about the different types of SQL commands and how to use them to design a database schema, write queries, apply aggregations, and combine information from multiple tables. You will also gain key insights into the logic behind SQL commands. You will gain a solid understanding of SQL fundamentals that you can use in your own projects.
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5/ SQL for Data Analysis by Mode (Udacity)
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| | | Explore the means to use Structured Query Language (SQL) to extract and analyze data stored in extensive databases. This course from Udacity will teach you to extract data, join tables together, and perform aggregations. You’ll also learn to do more complex analyses and manipulations using subqueries, temp tables, and window functions. By the end, you’ll be able to write efficient SQL queries to handle a variety of data analysis tasks successfully.
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6/ Introduction to Transact-SQL (Microsoft)
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| | | This course introduces relational databases, the SQL language and Transact-SQL. You will learn the basics of the SQL language, including statement types and the SELECT statement. You will also gain an understanding of data types and how to handle NULLs. After completing this course, you can identify database objects in schemas, use the SELECT statement and work with data types.
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7/ Advanced Databases and SQL Querying
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| | | Learn advanced T-SQL Querying concepts. Go from a beginner SQL programmer to writing complex SQL Queries.
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8/ Introduction to Structured Query Language (SQL) (Coursera)
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| | | This course will enable you to install a text editor, MAMP or XAMPP, and create a MySQL Database. You will learn single table queries, the basic syntax of the SQL language, and how to create databases with multiple tables, foreign keys, and the JOIN operation.
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| In addition, you will learn how to model many-to-many relationships, such as those needed to represent users, roles, and courses. This course provides a detailed overview of the SQL language and will make you confident in applying it to your own projects. It is the best course ever for beginners to start and get certified in 2023.
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9/ IBM: SQL for Data Science (edx)
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| | | Learn the basics of SQL and how to use it to analyze data with the SQL for Data Science course. With this course, you will gain a foundational understanding of the SQL language and how to apply it to create and query a database in the cloud. In addition, you will learn how to use string patterns and ranges to query data, sort and group result sets, and analyze data using Python. This course helps you to use the SQL language and its various components to query data and answer questions. Enrol now to gain the skills you need to become an expert in data analysis.
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10/ Meta Database Professional Certificate (Coursera)
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| The course provides a detailed introduction to databases and related technologies and helps you get SQL certification free. It covers the fundamentals of relational database management systems, different types of databases, and their uses. You will learn the basics of Structured Query Language (SQL) and how to create, manipulate and query the data stored in a database.
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| You will also learn to design and plan a simple relational database system. In addition, the course provides an overview of alternatives to SQL and database management systems. In this course, you will gain a working knowledge of the concepts, principles, and technologies related to databases.
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