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: MySQL, MongoDB, NoSQL, Object-Relational Mapping, Database Design, Relational Databases, SQL, Node.JS, Restful API, Databases, MySQL Workbench, Data Persistence, Database Application, Data Modeling, Data Integrity, Unstructured Data
Intermediate · Course · 1 - 4 Weeks

Yonsei University
Skills you'll gain: Spatial Data Analysis, Spatial Analysis, Geospatial Information and Technology, Geographic Information Systems, Geospatial Mapping, GIS Software, Database Management Systems, Big Data, Database Systems, Apache Hadoop, Data Modeling, PostgreSQL, Network Analysis
Intermediate · Course · 1 - 3 Months

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

Skills you'll gain: Microsoft Azure, Data Processing, Database Administration, Database Theory, Databases, Data Store, Database Management Systems, Cloud Services, Data Storage, Azure Synapse Analytics, Database Management, Relational Databases, Query Languages, NoSQL, Transaction Processing, Data Management, Cloud Computing, Data Analysis, Unstructured Data, Data Visualization Software
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Unix Commands, Bioinformatics, grep, Unix Shell, Unix, Data Management, Information Management, Command-Line Interface, Linux Commands, Molecular Biology, Bash (Scripting Language), Big Data, Data Manipulation, File Management, Data Analysis Software, Data Processing, Bed Management, Data Pipelines, Life Sciences, Text Mining
Mixed · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: CI/CD, C# (Programming Language), Azure DevOps, Load Balancing, Object Oriented Design, Continuous Integration, Role-Based Access Control (RBAC), Continuous Delivery, Scalability, Authentications, SQL, Microsoft Copilot, .NET Framework, Relational Databases, ASP.NET, Database Management, Graph Theory, Back-End Web Development, Program Development, Data Structures
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Unsupervised Learning, Dimensionality Reduction, Scikit Learn (Machine Learning Library), Machine Learning Algorithms, Applied Machine Learning, Data Preprocessing, Machine Learning Methods, Text Mining, Machine Learning, Big Data, Model Evaluation, Algorithms
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Oracle Databases, Database Design, Database Theory, Database Management Systems, Database Systems, Relational Databases, Databases, Database Architecture and Administration, Database Management, Data Storage Technologies, Data Storage, Transaction Processing, Data Modeling, Diagram Design
Beginner · Course · 1 - 3 Months

Skills you'll gain: Open Web Application Security Project (OWASP), Secure Coding, Application Security, Security Testing, DevSecOps, Threat Modeling, Vulnerability Scanning, Continuous Monitoring, Vulnerability Assessments, Application Performance Management, System Monitoring, Vulnerability Management, Development Environment, Security Controls, DevOps, Data Security, Software Development Life Cycle
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Warehousing, MongoDB, IBM Cognos Analytics, Extract, Transform, Load, NoSQL, Apache Spark, IBM DB2, Big Data, Dashboard Creation, Data Integration, Dashboard, Business Intelligence, Database Architecture and Administration, PySpark, Data Pipelines, Analytics, Databases, Relational Databases, SQL, Python Programming
Advanced · Course · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: SQL, Data Analysis, Seaborn, Exploratory Data Analysis, Analytics, Data Visualization, Database Management, Query Languages, Data Visualization Software, Matplotlib, Data Storage, Pandas (Python Package), Big Data, Data Science, Relational Databases, Data Management, Data Manipulation, Data Cleansing, NumPy
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Security, Cryptography, Information Systems Security, Security Controls, Cryptographic Protocols, Security Management, Data Access, Vulnerability Assessments, Encryption, Vulnerability Management, Big Data, Authorization (Computing), Identity and Access Management, Cyber Risk
Beginner · Course · 1 - 4 Weeks