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: Data Warehousing, Extract, Transform, Load, IBM DB2, Star Schema, PostgreSQL, Snowflake Schema, Data Mart, Data Architecture, Data Modeling, Database Design, Database Systems, Data Lakes, Data Integration, Query Languages, Data Validation, Data Cleansing, SQL, Data Quality
★ 4.5 (263) · Intermediate · Course · 1 - 4 Weeks

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Geographic Information Systems, Data Modeling, GIS Software, SQL, Geospatial Information and Technology, Database Design, Spatial Data Analysis, Geospatial Mapping, Database Management, Spatial Analysis, Geostatistics, Query Languages, Relational Databases, Database Development, Database Software, Land Management, Data Store, Environmental Science, Data Capture, Data Manipulation
★ 4.5 (289) · Beginner · Course · 1 - 3 Months

Snowflake
Skills you'll gain: Prompt Engineering, Retrieval-Augmented Generation, Generative AI, AI Orchestration, Fine-tuning, Agentic Workflows, AI Workflows, Generative Model Architectures, LLM Application, Data Engineering, Data Manipulation, Model Context Protocol, Data Store, Large Language Modeling, Artificial Intelligence, Application Deployment, Tool Calling, Data Warehousing, Embeddings, SQL
★ 4.8 (283) · Beginner · Professional Certificate · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Data Storytelling, Web Scraping, Google Sheets, Data Visualization, Data Presentation, Statistical Visualization, Spreadsheet Software, Large Language Modeling, Tableau Software, Data Literacy, Dashboard, Pandas (Python Package), Time Series Analysis and Forecasting, Probability & Statistics, Extract, Transform, Load, Statistical Analysis, Statistics, Data Manipulation, Data Analysis, Descriptive Statistics
★ 4.7 (285) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Data Cleansing, SQL, Data Quality, Data Transformation, Big Data, Metadata Management, Query Languages, Data Access, Google Cloud Platform, Data Analysis, Google Analytics
★ 4.4 (8) · Beginner · Project · Less Than 2 Hours

Skills you'll gain: Unsupervised Learning, Dimensionality Reduction, Scikit Learn (Machine Learning Library), Machine Learning Algorithms, Applied Machine Learning, Data Preprocessing, Text Mining, Machine Learning, Big Data, Model Evaluation, Performance Metric
★ 4.7 (370) · Intermediate · Course · 1 - 3 Months
University of Michigan
Skills you'll gain: Stored Procedure, PostgreSQL, SQL, Database Management, Database Design, Relational Databases, Query Languages, Data Transformation, Data Manipulation, Data Import/Export, Data Integrity, Transaction Processing, Performance Tuning, Algorithms
★ 4.7 (340) · Intermediate · Course · 1 - 4 Weeks

Meta
Skills you'll gain: Full-Stack Web Development, Front-End Web Development, Django (Web Framework), Web Design and Development, Scalability, HTML and CSS, Cloud Hosting, Responsive Web Design, Web Development, Web Applications, Cloud Deployment, Back-End Web Development, MySQL, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Cloud Computing, Application Programming Interface (API), Restful API, Virtual Environment, Javascript
★ 4.6 (239) · Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: MySQL, Database Management, Database Administration, Database Development, Cloud API, Operational Databases, Application Programming Interface (API), Data Import/Export, Cloud Storage
Beginner · Project · Less Than 2 Hours

University of Colorado System
Skills you'll gain: Tidyverse (R Package), Clinical Data Management, R (Software), Health Insurance Portability And Accountability Act (HIPAA) Compliance, R Programming, Medical Privacy, Clinical Research Ethics, Google Cloud Platform, Data Ethics, Data Science, Health Informatics, Statistical Programming, Data Wrangling, Data Processing, Electronic Medical Record, Data Manipulation, SQL, Data Access, Query Languages
★ 4.5 (436) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: LangChain, LLM Application, Tool Calling, AI Workflows, Generative AI Agents, Agentic Workflows, Artificial Intelligence and Machine Learning (AI/ML), Application Development, Data Visualization, Agentic systems, Analytics, Software Development
★ 4.5 (144) · Intermediate · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: AI Personalization, Fraud detection, Big Data, Credit Risk, Risk Management, Risk Modeling, Artificial Intelligence and Machine Learning (AI/ML), Personalized Service, Digital Transformation, Data-Driven Marketing, Customer Insights, Machine Learning, Marketing Analytics, Machine Learning Methods, Customer Engagement, Risk Analysis, Driving engagement, Data-Driven Decision-Making, Applied Machine Learning, Financial Data
★ 4.6 (503) · Mixed · Course · 1 - 4 Weeks