SQL courses can help you learn database design, data manipulation, query optimization, and data retrieval techniques. You can build skills in writing complex queries, managing relational databases, and ensuring data integrity. Many courses introduce tools like MySQL, PostgreSQL, and Microsoft SQL Server, demonstrating how to use these platforms for data analysis and reporting. You'll also explore key topics such as joins, indexing, and transaction management, which are vital for effective data management and analysis.

LearnQuest
Skills you'll gain: Teradata SQL, Exploratory Data Analysis, SQL, Data Modeling, Database Design, Database Administration, Database Architecture and Administration, Database Management, Database Management Systems, Data Store, JSON, Data Integration, Data Architecture, Advanced Analytics, Data Warehousing, Data Cleansing, Text Mining, Data Analysis, Business Intelligence, Data-Driven Decision-Making
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Restful API, Full-Stack Web Development, React.js, Application Programming Interface (API), Spring Boot, Front-End Web Development, Web Applications, MongoDB, UI Components, JSON, NoSQL, Data Access
Intermediate · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Relational Databases, Databases, Data Visualization Software, Web Scraping, Data Science, Scatter Plots, Data Manipulation, SQL, Data Processing, JSON, Application Programming Interface (API), Data Import/Export, Python Programming, Extensible Markup Language (XML), Hypertext Markup Language (HTML)
Intermediate · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Data Storytelling, Data Literacy, Statistical Visualization, Data-Driven Decision-Making, Data Visualization Software, Data Preprocessing, Data Mining, Exploratory Data Analysis, Data Cleansing, Graphing, Big Data, Programming Principles, Python Programming, NumPy
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Extract, Transform, Load, Data Validation, Data Transformation, Applied Machine Learning, Object-Relational Mapping, Data Wrangling, Data Cleansing, Data Manipulation, Data Integration, Web Scraping, Data Quality, Data Pipelines, Pandas (Python Package), Descriptive Statistics, Data Modeling, Data Science, Python Programming, Scikit Learn (Machine Learning Library), Extensible Markup Language (XML), Data Analysis
Beginner · Specialization · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Data Visualization, Statistical Hypothesis Testing, Data Visualization Software, Interactive Data Visualization, Data Presentation, Health Informatics, Data Analysis, Healthcare Ethics, Technical Communication, Supervised Learning, Looker (Software), Statistical Analysis, Statistics, Predictive Analytics, Health Care, Healthcare Industry Knowledge, Data Literacy, Health Technology, Regression Analysis
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Web Applications, SQL, Database Application, Data Access, Go (Programming Language), Database Management, Relational Databases, Web Development, Back-End Web Development, Secure Coding, Application Security
Intermediate · Guided Project · Less Than 2 Hours

O.P. Jindal Global University
Skills you'll gain: Big Data, Apache Spark, PySpark, Apache Hadoop, Apache Hive, Databases, NoSQL, Data Mining, Data Warehousing, Real Time Data, Cloud Computing, Data Processing, Query Languages, Distributed Computing, Applied Machine Learning, Scripting Languages
Build toward a degree
Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Data Pipelines, Google Cloud Platform, Cloud-Based Integration, Data Transformation, Data Integration, Big Data, Data Management
Beginner · Project · Less Than 2 Hours

Edureka
Skills you'll gain: Restful API, Rust (Programming Language), API Design, Object-Relational Mapping, Back-End Web Development, System Programming, Web Frameworks, Web Services, Web Development, Web Servers, Software Documentation, Web Applications, Scalability, Database Management, Authentications, Authorization (Computing)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Pipelines, Dataflow, Data Warehousing, Extract, Transform, Load, Data Integration, Data Quality, Data Validation, Data Maintenance, Data Processing, Google Cloud Platform, Apache Spark, Scalability, Data Transformation, Performance Tuning, Data Integrity, Serverless Computing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Extract, Transform, Load, Data Integration, SQL Server Integration Services (SSIS), Data Cleansing, Data Pipelines, Data Quality, Data Migration, Database Management, Data Transformation, File Management, Data Manipulation, Data Processing, Metadata Management, JSON, Extensible Markup Language (XML), Debugging
Intermediate · Course · 1 - 4 Weeks