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.

Skills you'll gain: C# (Programming Language), Software Architecture, .NET Framework, Object Oriented Design, Distributed Computing, Scalability, Object Oriented Programming (OOP), Software Design, Object-Relational Mapping, Microservices, MongoDB, Data Access, Model View Controller, Performance Tuning, Computer Programming, Maintainability, NoSQL, Event-Driven Programming
★ 4.5 (103) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Hibernate (Java), Object-Relational Mapping, CI/CD, Spring Boot, Restful API, Java Programming, Integration Testing, Continuous Integration, Database Development, Cloud Deployment, Application Security, Java, Containerization, Spring Framework, SQL, NoSQL, Docker (Software), Kubernetes, Test Driven Development (TDD), Object Oriented Design
★ 4.4 (49) · Beginner · Specialization · 1 - 3 Months

Microsoft
Skills you'll gain: Secure Coding, Authentications, Authorization (Computing), AI Integrations, Microsoft Copilot, Application Security, Data Validation, Web Applications, Data Security, Data Integrity
★ 5 (21) · Beginner · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Web Development, Database Design, Relational Databases, Web Applications, Web Development Tools, Databases, Web Design and Development, Full-Stack Web Development, Database Systems, Database Development, Application Deployment, Server Side, HTML and CSS, Cloud Deployment, Back-End Web Development, Scripting Languages, Application Development, Cloud Applications, Javascript, Cloud Computing
★ 4.5 (51) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Amazon S3, SQL, Data Maintenance, Database Administration, IT Automation, Cloud Infrastructure, Cloud Deployment, Cloud Storage
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Java Platform Enterprise Edition (J2EE), Java Programming, Object-Relational Mapping, Java, Application Servers, Middleware, Application Deployment, Data Persistence, Event-Driven Programming, Enterprise Application Management, Server Side, Code Reusability, Context Management, Transaction Processing, Business Logic, Query Languages
★ 4.8 (59) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Oracle Databases, Data Migration, Oracle Cloud, Database Administration, Data Import/Export, Database Development, Database Architecture and Administration, Application Development, Database Management, Performance Tuning, Disaster Recovery, SQL, Cloud Infrastructure, Identity and Access Management, Scalability, Encryption
★ 4.6 (40) · Intermediate · Course · 1 - 4 Weeks

Pontificia Universidad Católica del Perú
Skills you'll gain: Data Preprocessing, Data Transformation, Data Wrangling, Business Analytics, Anomaly Detection, Data Processing, R (Software), Analytics, Data Cleansing, R Programming, Data Analysis, Project Management Life Cycle, Business Analysis, Statistical Programming, Data Science, Exploratory Data Analysis, Dimensionality Reduction, Big Data, Supervised Learning
★ 4.3 (65) · Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: ASP.NET, Restful API, .NET Framework, Web Services, JSON, Application Frameworks, Model View Controller, Web Applications, Back-End Web Development, API Design, Application Programming Interface (API), Extensible Markup Language (XML), Full-Stack Web Development, Application Security, Object-Relational Mapping
★ 3.9 (44) · Intermediate · Course · 1 - 4 Weeks

Fundação Instituto de Administração
Skills you'll gain: Customer Relationship Management, Customer Data Management, Big Data, R (Software), Data Mining, Data-Driven Decision-Making, Sales Pipelines, Predictive Analytics, Machine Learning Methods, Data Visualization, Data Strategy, Customer Relationship Management (CRM) Software, Customer Analysis, Sales Management, Data Engineering, Customer Engagement, Predictive Modeling, Data Visualization Software, Plot (Graphics), Statistical Visualization
★ 4.4 (105) · Beginner · Specialization · 1 - 3 Months

Cisco Learning and Certifications
Skills you'll gain: MITRE ATT&CK Framework, Threat Modeling, Cyber Threat Intelligence, Threat Detection, Exploitation techniques, Intrusion Detection and Prevention, Threat Management, Incident Response, Event Monitoring, Computer Security Incident Management, Malware Protection, Network Analysis, Anomaly Detection, Network Security, Network Monitoring, Network Protocols, SQL
★ 4.9 (34) · Mixed · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Site Reliability Engineering, Infrastructure as Code (IaC), Google Cloud Platform, Dataflow, Application Deployment, Cloud Computing Architecture, Identity and Access Management, Cloud Infrastructure, Google App Engine, Kubernetes, Cloud Solutions, Cloud Services, Cloud Computing, Cloud Storage, Cloud Management, CI/CD, Cloud Security, Network Monitoring, Big Data, Load Balancing
★ 4.8 (16) · Intermediate · Specialization · 1 - 3 Months