Transact SQL courses can help you learn querying databases, data manipulation, and transaction management. You can build skills in writing complex queries, optimizing performance, and ensuring data integrity. Many courses introduce tools like Microsoft SQL Server and Azure SQL Database, that support managing relational databases and executing SQL commands effectively.

Coursera
Skills you'll gain: Star Schema, Data Warehousing, Looker (Software), Database Design, Analytics, Data Mart, Data Modeling, Business Intelligence, Data Integrity, Data Transformation, Performance Tuning, Data Storage, Performance Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Oracle Databases, Query Languages, SQL, Database Management, Google Cloud Platform, Identity and Access Management, Data Mapping, Database Design, Data Import/Export, Database Architecture and Administration, Data Architecture, Data Sharing, Data Security
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Apache Hive, Big Data, JSON, Apache Hadoop, Dataflow, People Analytics, Analytics, Data Analysis, Data Pipelines, Data-Driven Decision-Making, Data Preprocessing, Data Processing, Data Transformation, Query Languages, Debugging
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Query Languages, Performance Tuning, Test Execution Engine, PostgreSQL, Test Data, Database Systems, Database Management, Database Architecture and Administration
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Statistical Hypothesis Testing, LangChain, AI Orchestration, Generative AI Agents, CrewAI, Statistical Methods, Agentic Workflows, Statistical Analysis, Data Transformation, Agentic systems, Statistical Inference, Business Intelligence, Key Performance Indicators (KPIs), Data-Driven Decision-Making, Performance Metric, Descriptive Analytics, Data Analysis, Correlation Analysis, Event Monitoring
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Lakes, Data Management, Data Pipelines, Cloud Storage
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Apache Kafka, Multi-Tenant Cloud Environments, Data Pipelines, Real Time Data, Payment Card Industry (PCI) Data Security Standards, Data Governance, Scalability, Performance Tuning, Compliance Management, Data Architecture, Performance Stress Testing, Governance, Apache, Cost Management, System Configuration, Data Storage, Computer Architecture
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Ansible, Ubuntu, Linux Servers, WordPress, Linux Administration, Remote Access Systems, Linux, Content Management Systems, Linux Commands, Nginx, Servers, Web Servers, Infrastructure as Code (IaC), Operating System Administration, IT Automation, Software Installation, Systems Administration, Virtual Machines, MySQL, PHP (Scripting Language)
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Transformation, Database Management, Azure Synapse Analytics, Database Design, Data Wrangling, Data Architecture, Database Theory, Apache Cassandra, Apache Hive, Amazon Redshift
Advanced · Course · 1 - 4 Weeks

Pragmatic AI Labs
Skills you'll gain: AI Security, Claude Code, Responsible AI, Prompt Engineering, DevSecOps, Secure Coding, Prompt Engineering Tools, Information Privacy, Application Security, Vulnerability Scanning, Code Review, CI/CD, AI literacy, Vulnerability Assessments, AI Orchestration, Gemini, Security Awareness, GitHub, Command-Line Interface
Beginner · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Data Lakes, Real Time Data, Microsoft Azure, Microsoft Power Platform, Security Strategy, Data Infrastructure, Microsoft Copilot, Data Warehousing, Data Architecture, Security Management, Apache Spark, Power BI, Data Integration, Data Governance, Database Development, Security Controls, Data Analysis, Data Modeling, Data Science, Data Validation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: SAS (Software), Data Access, Statistical Programming, Cloud Development, Cloud-Based Integration, Software As A Service, Data Analysis Software, Analytics, Data Processing, Data Manipulation, Statistical Software, Data Import/Export, Computer Programming, Data Analysis, Artificial Intelligence
Beginner · Course · 1 - 4 Weeks