Relational database courses can help you learn SQL, data modeling, normalization, and query optimization. You can build skills in designing efficient database schemas, managing data integrity, and performing complex data retrieval. Many courses introduce tools like MySQL, PostgreSQL, and Microsoft SQL Server, showing how these platforms support your ability to create and manage databases effectively. You'll also explore indexing strategies, transaction management, and data security practices, all essential for robust database management.

Skills you'll gain: COBOL (Programming Language), Job Control Language (JCL), IBM DB2, z/OS, Mainframe Computing, Relational Databases, File Management, Data Management, Databases, Database Management Systems, File Systems, Programming Principles, Command-Line Interface, Computer Programming
Beginner · Course · 1 - 3 Months

National Taiwan University
Skills you'll gain: Operations Research, Mathematical Modeling, Process Optimization, Report Writing, Network Model, Applied Mathematics, Process Improvement and Optimization, Business Modeling, Industrial Engineering, Linear Algebra, Numerical Analysis, Operations Management, Applied Machine Learning, Resource Allocation, Case Studies, Engineering Calculations, Algorithms, Feasibility Studies, Project Design, Business Analytics
Beginner · Specialization · 3 - 6 Months
Skills you'll gain: Unified Modeling Language, File I/O, Visual Basic (Programming Language), Database Management, System Software, Databases, Relational Databases, Algorithms, Computer Architecture, Network Security, Computer Hardware, SQL, Computer Science, Development Environment, Data Structures, Object Oriented Programming (OOP), Object Oriented Design, Computer Programming, Microsoft Development Tools, Programming Principles
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: User Story, New Product Development, Real-Time Operating Systems, Model Based Systems Engineering, Model Evaluation, Field-Programmable Gate Array (FPGA), Failure Analysis, Sustainable Business, Data Mining, Delegation Skills, Object Oriented Design, Sampling (Statistics), Proposal Writing, Supplier Management, Accountability, Data Ethics, Sustainability Reporting, Database Design, Generative AI, Sustainable Design
Earn a degree
Degree · 1 - 4 Years

Johns Hopkins University
Skills you'll gain: Electronic Medical Record, Clinical Informatics, Health Technology, Health Information Management, Decision Support Systems, Technical Support, End User Training and Support, Patient Registration, Databases, Change Control, Interoperability, Authentications
Mixed · Course · 1 - 4 Weeks

Multiple educators
Skills you'll gain: Apache Airflow, Data Modeling, Data Pipelines, Data Storage, Data Architecture, Requirements Analysis, Data Warehousing, Query Languages, Data Preprocessing, Apache Hadoop, Vector Databases, Data Lakes, Amazon Web Services, File Systems, Apache Spark, Database Systems, Feature Engineering, Dataflow, Data Integration, Data Management
Intermediate · Professional Certificate · 3 - 6 Months

Skills you'll gain: C# (Programming Language), Object Oriented Programming (OOP), Software Design Patterns, Software Architecture, Software Design, Secure Coding, Computer Programming, System Design and Implementation, Data Integrity, Maintainability, Scalability, Programming Principles, Code Review, Software Documentation, AI Workflows, Debugging
Beginner · Course · 1 - 3 Months

Skills you'll gain: Digital Forensics, Penetration Testing, Network Security, Threat Management, Mobile Security, Distributed Denial-Of-Service (DDoS) Attacks, Cloud Security, Public Key Infrastructure, Vulnerability Assessments, Cryptography, Security Controls, Vulnerability Scanning, Cybersecurity, Authorization (Computing), Malware Protection, Authentications, Identity and Access Management, Cyber Attacks, Threat Detection, Data Integrity
Beginner · Specialization · 3 - 6 Months

Packt
Skills you'll gain: Application Deployment, Object-Relational Mapping, Model View Controller, Database Management, UI Components, PostgreSQL, Databases, Full-Stack Web Development, Web Development, Web Applications, Authentications, Development Environment, Authorization (Computing), Application Frameworks, Cascading Style Sheets (CSS), File Management
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Data Validation, Dashboard, Marketing Automation, Data Integrity, Verification And Validation, Workflow Management, Marketing Analytics, Data Maintenance, Data Quality, Automation, Reconciliation, Data Governance, Marketing, Key Performance Indicators (KPIs), Stakeholder Communications, Performance Metric
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Spring Boot, React.js, Object-Relational Mapping, Restful API, YAML, Data Access, Web Applications, Databases, Application Performance Management, Full-Stack Web Development, Configuration Management, Command-Line Interface
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Dashboard, Exploratory Data Analysis, Data Wrangling, Statistical Analysis, Data Visualization, IBM Cognos Analytics, Data Manipulation, Data Collection, Data Analysis, Looker (Software), Web Scraping, Data Transformation, Box Plots, Pandas (Python Package), Scatter Plots, Histogram
Advanced · Course · 1 - 3 Months