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: PL/SQL, Oracle Databases, SQL, Stored Procedure, Computational Logic, Programming Principles, Business Logic, Data Validation, Data Integrity
Mixed · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Service Level, Software Engineering, Software Architecture, Distributed Computing, Data Architecture, Microservices, Transaction Processing, Software Design, Test Driven Development (TDD), Blockchain, Big Data, Maintainability, Database Systems, Data Structures, System Monitoring, Middleware
Build toward a degree
Advanced · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Data Wrangling, Unstructured Data, Query Languages, Data Manipulation, Data Import/Export, Big Data, SQL, Database Administration
Beginner · Project · Less Than 2 Hours

University of Minnesota
Skills you'll gain: Cloud Security, Data Security, Cloud Services, Cloud Storage, Personally Identifiable Information, General Data Protection Regulation (GDPR), Information Privacy, Data Governance, Data Integrity, Cloud Platforms, Security Controls, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Relational Databases, Encryption, SQL
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Teradata SQL, Data Modeling, Database Design, Database Administration, Database Architecture and Administration, Database Management, Database Management Systems, Data Architecture, Data Warehousing, SQL, Data Import/Export, Software Installation, Performance Tuning
Beginner · Course · 1 - 3 Months

Skills you'll gain: PySpark, Databricks, Apache Spark, MLOps (Machine Learning Operations), Microsoft Azure, Big Data, Data Processing, Deep Learning, Data Transformation, Model Deployment, Machine Learning Software, Model Evaluation, Machine Learning, Distributed Computing, Exploratory Data Analysis, Regression Analysis
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Load Balancing, ASP.NET, Test Driven Development (TDD), Debugging, C# (Programming Language), Software Testing, Scalability, Performance Testing, Restful API, Unit Testing, Web Development, Microservices, .NET Framework, Object-Relational Mapping, Software Architecture, API Testing, Web Applications, Test Case, Distributed Computing, Redis
Intermediate · Specialization · 3 - 6 Months

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

Skills you'll gain: Node.JS, Restful API, Database Design, Database Application, Databases, NoSQL, MongoDB, Back-End Web Development, Performance Tuning, API Design, Cloud Applications, Authentications, Server Side, Middleware, Scalability, Application Deployment, Web Applications, Web Development, Debugging, Javascript
Intermediate · Course · 1 - 3 Months

Università Bocconi
Skills you'll gain: Data Analysis, Innovation, Strategic Decision-Making, Statistical Analysis, Data-Driven Decision-Making, Regression Analysis, Correlation Analysis, Big Data, Business Metrics, A/B Testing, Case Studies, Probability, Machine Learning
Mixed · Course · 1 - 3 Months

EDUCBA
Skills you'll gain: Data Lakes, Microsoft Azure, Stored Procedure, Data Architecture, Performance Tuning, Data Management, Query Languages, Data Manipulation, Scripting, SQL, Data Processing, Windows PowerShell, Microsoft Visual Studio, Command-Line Interface, Heat Maps
Intermediate · Course · 1 - 3 Months

Skills you'll gain: SAS (Software), Model Evaluation, Logistic Regression, Predictive Modeling, Classification And Regression Tree (CART), Big Data, Regression Analysis, Statistical Machine Learning, Feature Engineering, Statistical Analysis, Data Preprocessing
Intermediate · Course · 1 - 3 Months