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: Node.JS, MongoDB, Back-End Web Development, Server Side, Full-Stack Web Development, Web Applications, Web Frameworks, Scalability, Web Development, File I/O, Javascript, Operating Systems, NoSQL, Event-Driven Programming, File Systems, Application Programming Interface (API), Software Development Tools, Object-Relational Mapping, Database Management, Package and Software Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Dataflow, Data Pipelines, Real Time Data, Google Cloud Platform, Data Integration, Extract, Transform, Load, Data Processing, Data Architecture, Big Data, Data Transformation, Analytics, Data Storage, Data Collection
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Rmarkdown, Data Science, Version Control, R (Software), Big Data, R Programming, General Science and Research, Software Development Tools, GitHub, Statistical Programming, Git (Version Control System), Software Versioning, Software Configuration Management, Data Analysis, Statistical Reporting, Integrated Development Environments, Software Installation
Mixed · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Ruby on Rails, Model View Controller, Ruby (Programming Language), Object-Relational Mapping, Test Automation, Restful API, Unit Testing, Application Deployment, Web Applications, Web Development, Cloud Deployment, Authentications, Development Environment, Data Modeling, Relational Databases, Data Validation
Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: ASP.NET, Data Migration, Configuration Management, Data Validation, Database Application, Middleware, Enterprise Application Management, Debugging, Back-End Web Development, Object-Relational Mapping, Database Management, Data Modeling, Restful API, Maintainability, Software Design Patterns, Unit Testing, Authentications
Intermediate · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Security Controls, Scalability, Data Governance, Cloud Management, Data Management, Performance Tuning, Data Architecture, Microsoft Azure, Metadata Management, IT Security Architecture, Azure Active Directory, Disaster Recovery, Data Security, Big Data, System Monitoring, Identity and Access Management, Encryption
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Apache Hive, Apache Mahout, NoSQL, Apache Hadoop, Extract, Transform, Load, Big Data, Data Warehousing, Data Pipelines, Data Infrastructure, Application Deployment, Databases, SQL, Applied Machine Learning, Database Development, Performance Tuning, Data Processing, File Systems, Real Time Data, Query Languages, Database Management
Beginner · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: Restful API, Database Design, API Design, MongoDB, Database Theory, Database Management, Authentications, Application Programming Interface (API), Relational Databases, Web Services, Database Systems, Performance Tuning, Databases, Database Architecture and Administration, Authorization (Computing), NoSQL, SQL, Frontend Integration, Node.JS
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Full-Stack Web Development, Node.JS, User Interface (UI), Restful API, Frontend Integration, User Interface (UI) Design, Swift Programming, Object-Relational Mapping, Web Development Tools, JavaScript Frameworks, Data Store, iOS Development, UI Components, Mobile Development, Server Side, Operational Databases, Application Programming Interface (API), Database Software, MongoDB, Javascript
Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Digital Transformation, Applied Machine Learning, Google Cloud Platform, Data Literacy, Big Data, Cloud Storage, Cloud Services, Looker (Software), Cloud Computing, Cloud Solutions, Customer Insights, Machine Learning, Analytics, Data Management, Data Lakes, Data Storage, Unstructured Data, Data Quality, Data Processing, Business Intelligence
Beginner · Course · 1 - 3 Months

Skills you'll gain: Model Evaluation, Customer Analysis, Model Training, Logistic Regression, Predictive Modeling, Exploratory Data Analysis, Predictive Analytics, E-Commerce, Big Data, Data Access, Applied Machine Learning, Data Analysis, Classification Algorithms
Intermediate · Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Teradata SQL, Data Modeling, Database Design, Database Administration, Database Systems, Data Store, Database Architecture and Administration, Database Management, Database Management Systems, Relational Databases, Data Architecture, Data Warehousing, SQL, Data Import/Export, Query Languages, Data Processing, Extract, Transform, Load, Software Installation, Performance Tuning, Role-Based Access Control (RBAC)
Beginner · Course · 1 - 3 Months