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: PostgreSQL, SQL, Query Languages, Data Transformation, Data Manipulation, Database Software, Data Management
★ 4.5 (31) · Advanced · Guided Project · Less Than 2 Hours

Skills you'll gain: Data Validation, Data Quality, SQL, Data Integrity, Verification And Validation, Unit Testing
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: SQL, Data Presentation, Business Analysis, Data Analysis, Query Languages, Databases
★ 4.2 (49) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Performance Analysis, Performance Testing, Performance Measurement, Benchmarking, Data Modeling, Analysis, Extract, Transform, Load, Data-Driven Decision-Making, Statistical Analysis
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Data Quality, Quantitative Research, Data Management, Quality Assurance, Data Cleansing, Data Integrity, Quality Improvement, Quality Assessment, Data Validation, Data Pipelines, Key Performance Indicators (KPIs), SQL, Data Processing, Extract, Transform, Load, Performance Analysis, Automation, System Monitoring, Trend Analysis
Advanced · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Data Modeling, Oracle SQL Developer, Relational Databases, Database Design, Databases, SQL, Oracle Databases, Query Languages, Software Installation
★ 4.5 (31) · Intermediate · Course · 1 - 4 Weeks

Universitat Politècnica de València
Skills you'll gain: SQL, Database Management Systems, Data Integrity, Database Management, Relational Databases, Database Systems, Database Administration, Databases, Database Theory, Query Languages, Database Design, Secure Coding, Back-End Web Development, Web Applications, Application Security, Data Manipulation
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: SQL, PostgreSQL
★ 4.3 (67) · Advanced · Guided Project · Less Than 2 Hours

Skills you'll gain: Transact-SQL, Database Development, Database Theory, Database Systems, Database Management Systems
Beginner · Course · 3 - 6 Months

Skills you'll gain: SQL, SAS (Software), Database Management, Query Languages, Data Access, Database Management Systems, Data Presentation, Data Manipulation, Data Wrangling, Data Integration, Data Management
★ 4.9 (288) · Mixed · Course · 1 - 3 Months

Skills you'll gain: SQL, Data Manipulation, Query Languages, Data Access, PostgreSQL, Data Management
★ 4.7 (80) · Intermediate · Guided Project · Less Than 2 Hours

Packt
Skills you'll gain: SQL, Database Management, Database Development, Database Design, Relational Databases, Database Management Systems, Query Languages, Performance Tuning, Data Analysis
Beginner · Course · 1 - 4 Weeks