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.

Packt
Skills you'll gain: PHP (Scripting Language), Application Deployment, Object-Relational Mapping, Model View Controller, Database Management, UI Components, PostgreSQL, Databases, Web Development, Web Applications, Authentications, Development Environment, Authorization (Computing), Application Frameworks, Cascading Style Sheets (CSS), File Management
Intermediate · Course · 3 - 6 Months

Skills you'll gain: ASP.NET, Model View Controller, .NET Framework, Order Management, Object-Relational Mapping, Application Deployment, User Accounts, Data Access, Full-Stack Web Development, Web Development, Authentications, Web Applications, User Interface and User Experience (UI/UX) Design, User Interface (UI), Database Development, Authorization (Computing), Role-Based Access Control (RBAC), Software Architecture, Microsoft Azure, E-Commerce
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Authentications, Cryptography, Encryption, .NET Framework, Open Web Application Security Project (OWASP), Application Security, Vulnerability Scanning, Data Security, Data Validation, Cross Platform Development, Development Environment
Intermediate · Course · 1 - 4 Weeks

Real Madrid Graduate School Universidad Europea
Skills you'll gain: Artificial Intelligence, Data Analysis Software, Analytics, Big Data, Data Analysis, Data Ethics, Deep Learning, Machine Learning, Statistical Analysis, Emerging Technologies, Health Technology, Internet Of Things, Natural Language Processing, Digital Transformation, Technology Solutions, Scikit Learn (Machine Learning Library), Large Language Modeling, Technology Strategies, Performance Appraisal, Agile Project Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Apache Kafka, Apache Spark, Scala Programming, Real Time Data, Apache Hadoop, Apache Cassandra, Applied Machine Learning, Big Data, Data Processing, Application Deployment, Distributed Computing, Development Environment
Advanced · Course · 1 - 3 Months

Skills you'll gain: MongoDB, Back-End Web Development, NoSQL, Data Transformation, Data Maintenance, Database Design, Databases, Data Cleansing, Data Manipulation, JSON, Development Environment
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Database Architecture and Administration, Apache Hadoop, Query Languages, Big Data, Databases, SQL, Data Access, Distributed Computing, Performance Tuning, Data Processing, Data Integrity, Data Storage Technologies, Algorithms
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Load Balancing, Cloud Computing Architecture, Event Monitoring, Key Management
Intermediate · Course · 1 - 3 Months

EDUCBA
Skills you'll gain: MySQL, Database Design, User Interface (UI), Python Programming, User Interface (UI) Design, Database Application, Databases, Database Management, Relational Databases, Application Development
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Node.JS, Full-Stack Web Development, Authentications, Server Side, Back-End Web Development, Restful API, Middleware, Database Application, Data Validation, TypeScript, Application Programming Interface (API), Object-Relational Mapping, MongoDB, Databases, MySQL
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Real Time Data, Dataflow, Data Pipelines, Command-Line Interface, Google Cloud Platform, Databases, Operational Databases, Data Processing, Big Data
Beginner · Project · Less Than 2 Hours

Institut Mines-Télécom
Skills you'll gain: Cybersecurity, Open Web Application Security Project (OWASP), Application Security, Cyber Attacks, Threat Modeling, Risk Management Framework, Secure Coding, Vulnerability Assessments, SQL
Intermediate · Course · 1 - 3 Months