Data Structures and Algorithms courses can help you learn about arrays, linked lists, trees, and graph structures, along with sorting and searching algorithms. You can build skills in problem-solving, optimizing code efficiency, and analyzing algorithm complexity. Many courses introduce tools like Python, Java, or C++ for implementing these concepts, as well as platforms for coding challenges that reinforce your understanding through practical application.

Skills you'll gain: Data Presentation, Data Storytelling, Presentations, Data Cleansing, Rmarkdown, Data-Driven Decision-Making, Data Validation, Data Ethics, R (Software), Analytical Skills, Interactive Data Visualization, Dashboard, Spreadsheet Software, Ggplot2, SQL, File Management, Dashboard Creation, Data Analysis, Sampling (Statistics), Interviewing Skills
★ 4.5 (333) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Data Visualization, SPSS (Software), Data Presentation, Data Literacy, Statistical Visualization, Statistical Analysis, SPSS, Data Transformation, Data Manipulation, Data Processing, Data Wrangling, Data Analysis, Graphing, Statistical Software, Data Import/Export, File Management
Beginner · Course · 1 - 4 Weeks
Madecraft
Skills you'll gain: Business Analytics, Data-Driven Decision-Making, Data Strategy, Data Storytelling, Business Intelligence, Dashboard, Strategic Thinking, Strategic Decision-Making, Business Strategies, Data Presentation, Smart Goals, Business Metrics, Business Priorities, Performance Measurement, Key Performance Indicators (KPIs), Data Analysis, Interactive Data Visualization, Data Visualization, Stakeholder Communications, Data Quality
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Preprocessing, Data Wrangling, Data Processing, Data Integration
★ 4.8 (50) · Intermediate · Course · 1 - 3 Months

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

Chegg Skills
Skills you'll gain: Pandas (Python Package), Data Cleansing, Data Engineering, Data Quality, Descriptive Statistics, Data Manipulation, Data Wrangling, Statistical Analysis, Data Transformation, Package and Software Management, Data Import/Export, Statistics, Data Preprocessing, Data Processing, Data Analysis, Data Validation, Exploratory Data Analysis, Data Pipelines, NumPy, Python Programming
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: OAuth, JSON, Data Wrangling, Application Programming Interface (API), Secure Coding, Application Security
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Azure Synapse Analytics, Data Warehousing, Apache Hadoop, Power BI, Data Architecture, Data Visualization Software, Microsoft Azure, Apache Spark, Extract, Transform, Load, Data Engineering, Database Administration, Big Data, Apache, Data Integration, Business Intelligence, SQL, Databases, Warehousing, Analytics, Data Storage
★ 4.9 (55) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Key Performance Indicators (KPIs), Performance Analysis, Performance Measurement, Gap Analysis, Business Planning, Variance Analysis, Business Strategy, Market Opportunities, Business Development
Beginner · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Database Design, Database Theory, Database Management, Database Development, Database Systems, Relational Databases, Databases, Database Management Systems, SQL, NoSQL, Data Modeling, Unified Modeling Language, Query Languages, Data Integrity, Data Manipulation, Performance Tuning
Mixed · Course · 1 - 3 Months

Skills you'll gain: Prompt Engineering, Responsible AI, Data Ethics, AI literacy, Debugging, Data Transformation, Generative AI, Prompt Patterns, Data Preprocessing, Analytics, AI Integrations, AI Workflows, Data Analysis, Data Cleansing, Excel Formulas, Data Manipulation, Code Review, Model Optimization, Data Analysis Software, SQL
★ 4.6 (13) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Warehousing, Star Schema, Data Modeling, Database Design, Extract, Transform, Load, Database Development, Data Architecture, Data Integration, Data Infrastructure, Database Architecture and Administration, Database Software, Relational Databases, Database Management, Business Intelligence, Database Theory, Performance Tuning, SQL
Beginner · Course · 1 - 3 Months