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.

Duke University
Skills you'll gain: Data Visualization Software, PySpark, Data Visualization, Snowflake Schema, Data Storytelling, Site Reliability Engineering, Docker (Software), Databricks, Containerization, GitHub Copilot, Interactive Data Visualization, Plot (Graphics), Plotly, Data Pipelines, Kubernetes, Apache Spark, Apache Hadoop, Big Data, Data Science, Python Programming
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: PostgreSQL, Performance Tuning, Database Management, Google Cloud Platform, Database Software, SQL, Data Management, Application Performance Management, Data Analysis
Beginner · Project · Less Than 2 Hours

Unilever
Skills you'll gain: Descriptive Analytics, Supply Chain, Supply Chain Management, Supply Chain Planning, Predictive Analytics, Operations Research, Forecasting, Inventory Management System, Statistical Programming, Query Languages, Data-Driven Decision-Making, Business Analytics, Advanced Analytics, Analytics, Predictive Modeling, Demand Planning, Agile Methodology, SQL, Data Presentation, Database Software
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Azure Synapse Analytics, Data Migration, Microsoft Azure, Data Warehousing, SQL Server Integration Services (SSIS), Microsoft SQL Servers, Cloud Management, Cloud Security, Star Schema, Performance Tuning, System Configuration, Transact-SQL, Data Modeling, Cloud Computing Architecture, Extract, Transform, Load, Data Security, Database Architecture and Administration, Apache Spark, Data Integration, Data Pipelines
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Query Languages, Database Software, Databases
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Azure Synapse Analytics, Data Transformation, Microsoft SQL Servers, Data Pipelines, SQL, Data Manipulation, Time Series Analysis and Forecasting, Advanced Analytics, Data Wrangling, Performance Tuning
Advanced · Course · 1 - 4 Weeks
Skills you'll gain: Django (Web Framework), Performance Tuning, Postman API Platform, Restful API, Application Programming Interface (API), Data Validation, Authentications, Frontend Integration, React.js, API Testing, Authorization (Computing), Secure Coding, Object-Relational Mapping, API Design, Scalability, JavaScript Frameworks, JSON, Test Tools, Web Development, Python Programming
Advanced · Specialization · 3 - 6 Months

Skills you'll gain: Azure Synapse Analytics, Microsoft Azure, Database Theory, Cloud Services, Relational Databases, Databases, Data Store, Analytics, Data Storage, Microsoft SQL Servers, Data Lakes, Database Management Systems, NoSQL, Data Warehousing, Cloud Deployment, Platform As A Service (PaaS), Test Planning
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Node.JS, API Gateway, MySQL, Restful API, MongoDB, OAuth, Microservices, API Design, NoSQL, Object-Relational Mapping, Application Programming Interface (API), Database Design, Relational Databases, Unit Testing, SQL, Databases, MySQL Workbench, Server Side, Application Deployment, Javascript
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Data Manipulation, Looker (Software), Data Analysis, SQL, Database Development, Query Languages, Google Cloud Platform
Intermediate · Project · Less Than 2 Hours
Skills you'll gain: Hardening, Distributed Denial-Of-Service (DDoS) Attacks, Incident Response, Network Architecture, Network Security, Intrusion Detection and Prevention, Incident Management, Network Protocols, Threat Detection, Event Monitoring, Threat Management, Security Information and Event Management (SIEM), Network Monitoring, Network Infrastructure, Cyber Attacks, Computer Security Incident Management, Operating Systems, Linux, Bash (Scripting Language), Databases
Beginner · Specialization · 3 - 6 Months

EDUCBA
Skills you'll gain: Internet Of Things, Advanced Analytics, Big Data, Data Management, Wireless Networks, Predictive Analytics, Applied Machine Learning, Analytics, Water Sustainability, Data-Driven Decision-Making, Sustainable Systems, Environmental Monitoring, Geospatial Information and Technology, Telecommunications, Sustainable Technologies, Machine Controls, Real Time Data, Automation, Data Analysis, Data Collection
Beginner · Course · 1 - 4 Weeks