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: Microsoft Azure, Big Data, Data Processing, Analytics, Data Pipelines, Databricks, Apache Spark, Business Intelligence, Data Analysis, Data Integration, Data Warehousing, Extract, Transform, Load, Real Time Data, Data Transformation, Scheduling, Data Storage
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Hardening, Distributed Denial-Of-Service (DDoS) Attacks, Incident Response, Network Architecture, Network Security, Computer Security Incident Management, Intrusion Detection and Prevention, Incident Management, Network Protocols, Threat Detection, Event Monitoring, Threat Management, Network Infrastructure, Cyber Attacks, System Monitoring, Communication Systems, Operating Systems, Linux, Bash (Scripting Language), Databases
Beginner · Specialization · 3 - 6 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Data Mining, Text Mining, Innovation, Data Integration, Unstructured Data, Big Data, Data Analysis, Exploratory Data Analysis, Data Presentation, Data Visualization Software, Feature Engineering, Analysis, Model Evaluation, Natural Language Processing, Technical Writing, Classification Algorithms, Algorithms
Mixed · Course · 1 - 3 Months

Clemson University
Skills you'll gain: Database Design, Database Management Systems, MySQL, Database Theory, Relational Databases, Databases, Data Modeling, Database Architecture and Administration, SQL, NoSQL, Diagram Design
Build toward a degree
Intermediate · Course · 1 - 3 Months

Vanderbilt University
Skills you'll gain: Microservices, Spring Boot, Spring Framework, IntelliJ IDEA, Java Programming, Restful API, Object Oriented Programming (OOP), Java, Application Programming Interface (API), Application Deployment, Software Architecture, API Design, Integrated Development Environments, Data Persistence, Scalability, Service Oriented Architecture, Web Applications, Application Frameworks, Software Testing, Object-Relational Mapping
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Exploit development, OSI Models, Network Security, Exploitation techniques, TCP/IP, Cybersecurity, Vulnerability Scanning, Metasploit, Malware Protection, Network Protocols, Distributed Denial-Of-Service (DDoS) Attacks, Cyber Attacks, Wireless Networks, Application Security, Cyber Security Assessment, Network Monitoring, Linux, Object Oriented Programming (OOP), General Networking, Security Awareness
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Data Access, Relational Databases, Object Oriented Programming (OOP), JUnit, Data Integrity, SQL, Java, Java Programming, Databases
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft SQL Servers, Data Storage Technologies, Database Architecture and Administration, Disaster Recovery, Database Management, Cloud Storage, Google Cloud Platform, Software Installation
Intermediate · Project · Less Than 2 Hours

Imperial College London
Skills you'll gain: Data Visualization Software, Health Informatics, Clinical Data Management, Tableau Software, Model Evaluation, Analytics, Health Technology, Data Management, Clinical Research, Telehealth, Statistical Analysis, Data Collection, Big Data
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: JSON, NoSQL, Cloud API, Javascript, Data Store, Data Import/Export, Cloud Computing, Software Development
Beginner · Guided Project · Less Than 2 Hours
Skills you'll gain: Data Cleansing, Snowflake Schema, Data Quality, Data Transformation, Data Validation, Data Manipulation, Data Analysis, SQL, Big Data
Intermediate · Guided Project · Less Than 2 Hours

Maven Analytics
Skills you'll gain: Prompt Engineering, Generative AI, ChatGPT, Power BI, Deep Learning, Excel Formulas, Analytics, Google Sheets, AI Enablement, Microsoft Excel, Artificial Intelligence, Data Analysis, Python Programming, SQL, Data Literacy, Query Languages, Business Intelligence, Data Science, Debugging
Beginner · Course · 1 - 3 Months