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.

Johns Hopkins University
Skills you'll gain: Data Import/Export, Web Scraping, Tidyverse (R Package), Data Wrangling, Data Integration, Data Manipulation, JSON, Data Transformation, Relational Databases, R (Software), Google Sheets, Unstructured Data, R Programming, Extensible Markup Language (XML), Spreadsheet Software, Databases, SQL, Data Structures, File I/O, Application Programming Interface (API)
Beginner · Course · 1 - 3 Months

Edureka
Skills you'll gain: Inventory and Warehousing, Database Design, Data-Driven Decision-Making, Analytics, Cloud Storage, Dashboard, Spreadsheet Software, Dashboard Creation, Data Management
Intermediate · Course · 1 - 4 Weeks

Akamai Technologies, Inc.
Skills you'll gain: Application Development, Scripting, MySQL, Data Structures, File I/O, Python Programming, Web Development, Database Management, Web Applications, SQL, File Management, Programming Principles
Beginner · Course · 1 - 3 Months

Skills you'll gain: Star Schema, Snowflake Schema, Data Lakes, Data Governance, Data Warehousing, CI/CD, Database Design, Microsoft Azure, Power BI, Continuous Integration, Real Time Data, Data Pipelines, Microsoft Copilot, Data Management, Data Architecture, Model Optimization, Transact-SQL, Enterprise Architecture, SQL, Cloud Infrastructure
Intermediate · Professional Certificate · 3 - 6 Months

Amazon Web Services
Skills you'll gain: AWS Identity and Access Management (IAM), Amazon DynamoDB, Amazon S3, Amazon Elastic Compute Cloud, API Gateway, Serverless Computing, Cloud API, Application Programming Interface (API), Identity and Access Management, Amazon Web Services, Cloud-Based Integration, Authentications, Authorization (Computing), NoSQL, Cloud Storage, Cloud Hosting, Data Storage
Beginner · 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
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Data Analysis Expressions (DAX), Dashboard, Dashboard Creation, Power BI, Data Visualization, Data Transformation, Data Manipulation, Data Modeling, Data Presentation, Data Import/Export, Data Wrangling, Data Visualization Software, Data Analysis, Analytics, Data Cleansing, Data Security, Data Management
Intermediate · Course · 1 - 4 Weeks

Fundação Instituto de Administração
Skills you'll gain: Customer Relationship Management, Customer Data Management, Data-Driven Decision-Making, Sales Pipelines, Customer Analysis, Sales Management, Customer Engagement, Big Data, Customer Relationship Building, Customer Insights, Customer experience strategy (CX), Business Analytics, Target Audience, Data-Driven Marketing, Customer experience improvement, Business Metrics, Analytics, AI Personalization, Consumer Behaviour, Artificial Intelligence
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Penetration Testing, Security Testing, Hardening, Test Script Development, Brute-force attacks, Business Logic, Cloud Security, Network Analysis, Programming Principles, API Testing, General Data Protection Regulation (GDPR), Cloud Computing, Wireless Networks, Data Persistence, Application Programming Interface (API), Data Security
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Frontend Integration, Restful API, Spring Boot, Full-Stack Web Development, React.js, IntelliJ IDEA, Spring Framework, Object-Relational Mapping, Web Services, JavaScript Frameworks, Front-End Web Development, YAML, Web Applications, Back-End Web Development, Data Access, Database Application, User Interface (UI), Context Management, Application Programming Interface (API), Databases
Intermediate · Specialization · 1 - 4 Weeks

Skills you'll gain: Penetration Testing, Exploit development, OSI Models, Exploitation techniques, Open Web Application Security Project (OWASP), TCP/IP, Network Protocols, Network Security, Cyber Security Assessment, General Networking, Vulnerability Scanning, Cybersecurity, Prompt Engineering, Large Language Modeling, AI Security, LLM Application, Test Script Development, Scripting, Scripting Languages, Python Programming
Intermediate · Course · 1 - 3 Months

EDUCBA
Skills you'll gain: Model View Controller, Java Platform Enterprise Edition (J2EE), Back-End Web Development, Server Side, Data Access, Apache Tomcat, Application Servers, Java Programming, Relational Databases, Databases, Java, Web Servers, SQL, Authentications, Web Applications, Secure Coding, Software Design Patterns, Data Persistence
Intermediate · Course · 1 - 3 Months