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SQL courses

SQL is essential for efficient database management and data analysis. Build your SQL skills with interactive courses, tracks and projects curated by real-world experts.

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Recommended for SQL beginners

New to SQL and don't know where to start? Our introductory courses are designed for absolute beginners.

Tracks

SQL Fundamentals

26 hours
59.4K
Master the SQL fundamentals needed for business, learn how to write SQL queries, and start analyzing your data using this powerful language.

Courses

Introduction to SQL

พื้นฐานระดับทักษะ
2-3 hours
63.3K
Learn how to create and query relational databases using SQL in just two hours.
AI Native

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เรียกดูหลักสูตรและแทร็กของ SQL

Courses

Introduction to SQL

พื้นฐานระดับทักษะ
2-3 hours
63.3K
Learn how to create and query relational databases using SQL in just two hours.

Courses

Intermediate SQL

พื้นฐานระดับทักษะ
Over 3 hours
30.7K
Accompanied at every step with hands-on practice queries, this course teaches you everything you need to know to analyze data using your own SQL code today!

Courses

Joining Data in SQL

พื้นฐานระดับทักษะ
4 hours
23.7K
Level up your SQL knowledge and learn to join tables together, apply relational set theory, and work with subqueries.

Courses

Data Manipulation in SQL

พื้นฐานระดับทักษะ
4 hours
12.5K
Master the complex SQL queries necessary to answer a wide variety of data science questions and prepare robust data sets for analysis in PostgreSQL.

Courses

Exploratory Data Analysis in SQL

ระดับกลางระดับทักษะ
4 hours
7.8K
Learn how to explore whats available in a database: the tables, relationships between them, and data stored in them.

Courses

Database Design

พื้นฐานระดับทักษะ
4 hours
7K
Learn to design databases in SQL to process, store, and organize data in a more efficient way.

Courses

PostgreSQL Summary Stats and Window Functions

ระดับกลางระดับทักษะ
4 hours
6.4K
Learn how to create queries for analytics and data engineering with window functions, the SQL secret weapon!

Courses

Data-Driven Decision Making in SQL

ระดับกลางระดับทักษะ
4 hours
3.1K
Learn how to analyze a SQL table and report insights to management.

Courses

Introduction to SQL Server

พื้นฐานระดับทักษะ
4 hours
3.1K
Learn to use SQL Server to perform common data manipulation tasks and master common data manipulation tasks using this database system.

Courses

Introduction to SQL Querying with AI

พื้นฐานระดับทักษะ
3 hours
1.6K
Learn SQL Querying with AI by writing prompts, generating queries, and analyzing data to solve real-world problems.

Courses

Analyzing Business Data in SQL

ระดับกลางระดับทักษะ
4 hours
1.6K
Learn to write SQL queries to calculate key metrics that businesses use to measure performance.

Courses

Applying SQL to Real-World Problems

ระดับกลางระดับทักษะ
4 hours
1.4K
Find tables, store and manage new tables and views, and write maintainable SQL code to answer business questions.

Courses

Creating PostgreSQL Databases

พื้นฐานระดับทักษะ
4 hours
1.1K
Learn how to create a PostgreSQL database and explore the structure, data types, and how to normalize databases.

Courses

Intermediate SQL Server

ระดับกลางระดับทักษะ
4 hours
1.1K
In this course, you will use T-SQL, the flavor of SQL used in Microsofts SQL Server for data analysis.

Courses

Introduction to NoSQL

พื้นฐานระดับทักษะ
4 hours
1K
Conquer NoSQL and supercharge data workflows. Learn Snowflake to work with big data, Postgres JSON for handling document data, and Redis for key-value data.

Courses

Reporting in SQL

ระดับกลางระดับทักษะ
4 hours
983
Learn how to build your own SQL reports and dashboards, plus hone your data exploration, cleaning, and validation skills.

Courses

Introduction to Oracle SQL

พื้นฐานระดับทักษะ
4 hours
817
Sharpen your skills in Oracle SQL including SQL basics, aggregating, combining, and customizing data.

Courses

Intermediate SQL Querying with AI

พื้นฐานระดับทักษะ
3 hours
675
Build SQL skills by writing AI prompts that generate queries for sorting, grouping, filtering, and categorizing data.

Courses

Improving Query Performance in SQL Server

ระดับกลางระดับทักษะ
4 hours
534
In this course, students will learn to write queries that are both efficient and easy to read and understand.

Courses

Cleaning Data in PostgreSQL Databases

ระดับกลางระดับทักษะ
4 hours
532
Learn to tame your raw, messy data stored in a PostgreSQL database to extract accurate insights.

Courses

NoSQL Concepts

ระดับกลางระดับทักษะ
2 hours
525
In this conceptual course (no coding required), you will learn about the four major NoSQL databases and popular engines.

Courses

Time Series Analysis in SQL Server

ระดับกลางระดับทักษะ
5 hours
477
Explore ways to work with date and time data in SQL Server for time series analysis

Courses

Transactions and Error Handling in SQL Server

ระดับกลางระดับทักษะ
4 hours
300
Learn to write scripts that will catch and handle errors and control for multiple operations happening at once.

Courses

Cleaning Data in SQL Server Databases

ระดับกลางระดับทักษะ
4 hours
288
Develop the skills you need to clean raw data and transform it into accurate insights.

แหล่งข้อมูลที่เกี่ยวข้องบน SQL

blogs

Top 99 SQL Interview Questions and Answers for 2026

Get interview-ready with this comprehensive overview of essential SQL interview questions and answers for job hunters, hiring managers, and recruiters.
Elena Kosourova's photo

Elena Kosourova

15 นาที

blogs

10 Portfolio-Ready SQL Projects for All Levels

Select your first—or next—SQL project to practice your current SQL skills, develop new ones, and create an outstanding professional portfolio.
Elena Kosourova's photo

Elena Kosourova

11 นาที

cheat sheets

SQL Basics Cheat Sheet

With this SQL cheat sheet, you'll have a handy reference guide to basic querying tables, filtering data, and aggregating data
Richie Cotton's photo

Richie Cotton

5 นาที


Ready to apply your skills?

Projects allow you to apply your knowledge to a wide range of datasets
to solve real-world problems in your browser

Frequently asked questions

Which SQL course is best for beginners?

The best SQL course for beginners is Introduction to SQL. It covers the basics of relational databases, creating SQL queries and an introduction to the most popular SQL favors (PostgreSQL and SQL Server).

What is SQL and what is it used for?

SQL, or Structured Query Language, is a programming language designed for managing and manipulating data in relational databases. It is used extensively for data retrieval, insertion, updating, and deleting. This makes it a fundamental tool for data analysis, database management, and in various applications where data storage and query are essential. Alongside, SQL's standardized language enables efficient and effective interaction with large and complex databases across diverse systems.

What is a SQL database?

A SQL database is a structured collection of data that can be accessed and managed using SQL (Structured Query Language). It uses tables to organize data into rows and columns, allowing for efficient data retrieval, manipulation, and relational database management.

Do I need to know programming to learn SQL?

No, you do not need to know programming to learn SQL, but familiarity with basic programming concepts can be beneficial.

How does SQL relate to databases like PostgreSQL and MySQL?

SQL, is the standard language used for interacting with databases, including popular systems like PostgreSQL and MySQL. These databases use SQL as the interface for accessing and manipulating stored data. While SQL is the language, PostgreSQL and MySQL are types of database management systems that use SQL to manage and organize data efficiently, each with its own additional features and capabilities. This relationship means that by learning SQL, you can effectively work with a variety of database systems, including PostgreSQL and MySQL.

What types of jobs use SQL?

SQL skills are directly relevant in roles such as database administrators, data analysts, and software engineers, where managing and analyzing large data sets are central tasks. Additionally, professionals in fields like business intelligence, marketing, finance, and healthcare management also benefit greatly from SQL skills, as they often require data querying and reporting to make informed decisions and understand trends. Essentially, any job that involves working with data—whether for analyzing, reporting, or managing—can benefit from proficiency in SQL.

Is it worth learning SQL in 2025?

Absolutely, learning SQL in 2025 is valuable, even with the rise of generative AI. While AI can assist in building and interpreting SQL queries, a deep understanding of SQL syntax and database structure is crucial for designing efficient databases, troubleshooting, and ensuring the accuracy and relevance of data retrieved—a skill set that AI tools cannot fully replicate.

Does DataCamp offer SQL Certification?

Yes, our SQL Associate Certification enables you to prove your SQL skills to employers.

Our Data Analyst Certification is also an excellent option to prove your data analysis knowledge with SQL and either Python or R.

What are the benefits on an online SQL course?

The benefits of an online SQL course include flexibility, allowing you to learn at your own pace and schedule. Our SQL courses are taught by industry experts and enable learning by doing, with interative exercises and practical projects to get you job-ready.

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