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.

EDUCBA
Skills you'll gain: Big Data, Data Pipelines, Data Access, File Systems
★ 5 (11) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Distributed Computing, Java Programming, Load Balancing, Middleware, Database Management Systems, NoSQL, Event-Driven Programming, Databases, Systems Architecture, Software Architecture, Computer Systems, Remote Access Systems, Microservices, Scalability, Service Management, Communication Systems
Intermediate · Course · 1 - 3 Months

Northeastern University
Skills you'll gain: Data Storytelling, Data Visualization, Statistical Visualization, Data-Driven Decision-Making, Data Visualization Software, Plot (Graphics), Data Preprocessing, Data Mining, Exploratory Data Analysis, Data Cleansing, Data Processing, Data Manipulation, Unstructured Data, Graphing, Big Data, Programming Principles, Python Programming, NumPy, Scripting
Mixed · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Hospital Experience, Patient-centered Care, Health Informatics, Patient Advocacy, Healthcare Industry Knowledge, Health Technology, Analytics, Data Analysis, Predictive Analytics, Data Literacy, Health Disparities, Innovation, Data Collection, Big Data, Data-Driven Decision-Making, Data Management, Decision Support Systems, Social Determinants Of Health, Predictive Modeling
Beginner · 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
★ 4 (6) · Beginner · Specialization · 1 - 4 Weeks

Skills you'll gain: Active Directory, Windows Servers, Microsoft Servers, Firewall, Google Cloud Platform, Virtual Networking, Virtual Machines, Servers, Cloud Infrastructure, Network Planning And Design, System Testing, Network Security, SQL
★ 4 (6) · Advanced · Project · Less Than 2 Hours

Skills you'll gain: Web Services, Restful API, Apache Maven, Build Tools, Spring Boot, Spring Framework, Gradle, Simple Object Access Protocol (SOAP), Application Programming Interface (API), Java, Java Programming, API Design, Object-Relational Mapping, Data Persistence, Extensible Markup Language (XML)
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Apache Spark, Data Pipelines, PySpark, Real Time Data, Data Transformation, SQL, Data Processing, Data Analysis
Intermediate · Guided Project · Less Than 2 Hours

EDUCBA
Skills you'll gain: MongoDB, NoSQL, Pandas (Python Package), Databases, Data Pipelines, Database Development, Database Design, Data Access, Performance Tuning, Data Transformation, Query Languages, Python Programming
★ 4.5 (20) · Intermediate · Course · 1 - 4 Weeks

O.P. Jindal Global University
Skills you'll gain: Big Data, Apache Spark, Apache Hadoop, Apache Hive, NoSQL, Database Systems, Data Mining, Cloud Applications, Cloud Solutions, Real Time Data, Cloud Computing, Data Processing, Query Languages, Distributed Computing, Applied Machine Learning, Scripting Languages, Data Manipulation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Cloud Development, Database Management, SQL
★ 4.8 (13) · Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Rmarkdown, Data Science, R (Software), GitHub, Version Control, Data Analysis, Big Data, R Programming, Software Versioning, General Science and Research, Git (Version Control System), Statistical Programming, Data Quality, Statistical Reporting, Development Environment
★ 4.7 (9) · Mixed · Course · 1 - 4 Weeks