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.

Simplilearn
Skills you'll gain: C# (Programming Language), Restful API, Unity Engine, Application Programming Interface (API), Object Oriented Programming (OOP), API Design, .NET Framework, Object Oriented Design, C++ (Programming Language), Video Game Development, ASP.NET, Computer Programming, Object-Relational Mapping, Web Services, Application Development, Game Design, Software Design Patterns, Database Management, Program Development, Programming Principles
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Java Programming, PostgreSQL, Relational Databases, Java, Java Platform Enterprise Edition (J2EE), Database Development, Systems Development, Database Design, Databases, Application Design, Back-End Web Development, Web Applications, Business Logic, Secure Coding, Data Validation, Process Modeling, Payment Systems, Document Management, Authentications, Verification And Validation
★ 4.5 (21) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Flask (Web Framework), User Provisioning, User Accounts, Web Development, Web Applications, Object-Relational Mapping, HTML and CSS, Authentications, Cascading Style Sheets (CSS), Database Management, Database Application
★ 4.6 (7) · Intermediate · Guided Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Data Pipelines, Dataflow, Data Warehousing, Extract, Transform, Load, Data Quality, Data Cleansing, Data Validation, Performance Tuning, Google Cloud Platform, Data Processing, Apache Spark, Serverless Computing, System Monitoring
★ 4.4 (30) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Analysis Expressions (DAX), Dashboard, Dashboard Creation, Power BI, Microsoft Power Platform, Data Visualization, Data Transformation, Data Modeling, Data Presentation, Data Import/Export, Data Wrangling, Data Visualization Software, Interactive Data Visualization, Data Analysis, Analytics, Data Cleansing, Role-Based Access Control (RBAC), Data Management
★ 4.3 (16) · Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Web Applications, Full-Stack Web Development, Database Application, Data Store, Database Development, Database Management, SQL, Query Languages, Data Access, Real Time Data, Javascript, Data Entry, Software Engineering, Authentications
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Dataflow, Google Cloud Platform, Data Pipelines, Dashboard Creation, Model Deployment, Data Preprocessing, Data Lakes, Dashboard, Tensorflow, Data Warehousing, Real Time Data, Unstructured Data, Model Training, Apache Spark, Apache Airflow, Big Data, Cloud Engineering, Applied Machine Learning, Cloud Storage, Data Storage
Intermediate · Specialization · 3 - 6 Months

Google Cloud
Skills you'll gain: Looker (Software), Dashboard, Dashboard Creation, Data Governance, Digital Transformation, Data Modeling, Pivot Tables And Charts, Real Time Data, Google Cloud Platform, Dataflow, Data Storage, Data Management, Data Presentation, Cloud Storage, Data Transformation, Statistical Reporting, Data Analysis, Data Analysis Software, Performance Tuning, SQL
★ 4.1 (14) · Intermediate · Specialization · 3 - 6 Months

Institut Mines-Télécom
Skills you'll gain: Digital Transformation, Data Management, Data Strategy, Data Modeling, Data Quality, General Data Protection Regulation (GDPR), Business Transformation, Data Governance, Business Intelligence, Data-Driven Decision-Making, Data Analysis, Data Literacy, Big Data, Regulation and Legal Compliance, Information Privacy, Data Visualization, Business Strategy, Artificial Intelligence
★ 4.1 (7) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Cleansing, PySpark, Data Manipulation, Data Preprocessing, Data Processing, Apache Spark, Data Analysis, Applied Machine Learning, Predictive Modeling, Big Data, Machine Learning, Regression Analysis, Model Training
★ 4.7 (34) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Apache Spark, Data Pipelines, PySpark, Real Time Data, Data Transformation, SQL, Data Processing, Data Analysis
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Cloud-Native Computing, Microservices, DevOps, Cloud Deployment, Site Reliability Engineering, Service Oriented Architecture, Data Architecture, Database Management Systems, Continuous Delivery, Infrastructure as Code (IaC), NoSQL, Database Design, Performance Tuning, Systems Analysis, Database Architecture and Administration, Service Design
★ 4.5 (19) · Intermediate · Specialization · 3 - 6 Months