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.

Splunk Inc.
Skills you'll gain: Splunk, Dashboard Creation, Data Modeling, Dashboard, Pivot Tables And Charts, Interactive Data Visualization, Data Management, Data Mapping, Model Optimization, Performance Tuning, Incident Management, Query Languages, Information Management, Computer Security Incident Management, Event Monitoring, Data Science, Big Data, Business Intelligence, Data Analysis, Business Analytics
★ 4.6 (52) · Intermediate · Specialization · 1 - 3 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

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)
★ 4.7 (51) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Integrity, Database Architecture and Administration, Data Integration, Power BI, Data Maintenance, Database Administration, Database Management, Microsoft SQL Servers, Data Validation, Relational Databases, Databases, Application Programming Interface (API), Dashboard Creation, Dashboard, Data Quality, Interactive Data Visualization, Business Intelligence, Data Security, Systems Integration, Role-Based Access Control (RBAC)
★ 4.8 (25) · Beginner · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Geospatial Information and Technology, Geographic Information Systems, Apache Hadoop, Spatial Data Analysis, Geospatial Mapping, Spatial Analysis, Big Data, Matplotlib, Data Processing, Computational Thinking, Distributed Computing, Data Manipulation, Theoretical Computer Science, Python Programming
★ 4.2 (30) · Beginner · Course · 1 - 3 Months

Interactive Brokers
Skills you'll gain: Environmental Social And Corporate Governance (ESG), Market Data, Financial Data, Investments, Data Collection, Due Diligence, Big Data, Analytics, Investment Management, Data-Driven Decision-Making, Financial Market, Business Ethics, Data Quality, Unstructured Data, Portfolio Management, Artificial Intelligence, Machine Learning, Natural Language Processing
★ 4.4 (37) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Plotly, Model Evaluation, NumPy, Statistical Methods, Probability & Statistics, Plot (Graphics), Dashboard, Statistics, Pandas (Python Package), Data Analysis, Database Development, Statistical Analysis, Regression Analysis, Dashboard Creation, Data Manipulation, Python Programming, Applied Machine Learning, Probability, Data Science, Performance Tuning
★ 4.5 (32) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Kubernetes, Cloud-Native Computing, Database Application, Cloud Deployment, Google Cloud Platform, Cloud Applications, PostgreSQL, Containerization, Data Access, User Accounts, Proxy Servers, User Provisioning, Cloud Computing
Intermediate · Project · Less Than 2 Hours

Splunk Inc.
Skills you'll gain: Splunk, Correlation Analysis, Performance Tuning, Model Optimization, Data Manipulation, Analysis, Data Analysis, Data Modeling, Big Data, Transaction Processing, Data Integration, Data Science, Business Analytics, Data Visualization
★ 4.6 (52) · Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Debugging, Unit Testing, Relational Databases, Object Oriented Programming (OOP), Data Visualization, Data Store, Web Scraping, Database Management, Data Structures, Scatter Plots, Data Manipulation, SQL, File I/O, Test Case, Integrated Development Environments, Software Testing, Python Programming, Computer Programming, Program Development, Diversity and Inclusion
★ 3.8 (18) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Fraud detection, Feature Engineering, Big Data, Anomaly Detection, Google Cloud Platform, Unsupervised Learning, Model Evaluation, Data Manipulation, Applied Machine Learning, Decision Tree Learning, Logistic Regression, Model Training, Supervised Learning, Predictive Modeling, Machine Learning
★ 3.9 (28) · Intermediate · Project · Less Than 2 Hours

Duke University
Skills you'll gain: Business Metrics, Analytics, Digital Transformation, Business Analytics, Business Intelligence, Performance Measurement, Big Data, Business Analysis, Data Analysis, Business Process Improvement, Performance Metric, Key Performance Indicators (KPIs), E-Commerce, Financial Services, Cash Flows, Financial Acumen, Return On Investment, Data Literacy, Profit and Loss (P&L) Management, Financial Analysis
★ 4.7 (81) · Mixed · Course · 1 - 3 Months