SQL courses can help you learn database design, data manipulation, query optimization, and data retrieval techniques. You can build skills in writing complex queries, managing relational databases, and ensuring data integrity. Many courses introduce tools like MySQL, PostgreSQL, and Microsoft SQL Server, demonstrating how to use these platforms for data analysis and reporting. You'll also explore key topics such as joins, indexing, and transaction management, which are vital for effective data management and analysis.

Skills you'll gain: Ajax, Gherkin (Scripting Language), Test Tools, Test Script Development, Debugging, Integration Testing, Software Design Patterns, Test Data, Scripting, Web Development Tools, Data Structures, Automation, SQL, MySQL
Intermediate · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: Restful API, ASP.NET, .NET Framework, JavaScript Frameworks, Frontend Integration, Secure Coding, Middleware, React.js, Application Frameworks, Object-Relational Mapping, Model View Controller, Web Applications, Web Development, Authentications
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: API Testing, React.js, Authentications, Containerization, OAuth, Cloud Deployment, Back-End Web Development, PostgreSQL, API Gateway, Software Documentation, Amazon Web Services, Cloud Applications, Event-Driven Programming, Front-End Web Development, Python Programming, Database Management, Restful API, SQL, API Design, Databases
Intermediate · Specialization · 3 - 6 Months

EDUCBA
Skills you'll gain: Microservices, Spring Framework, Spring Boot, YAML, MongoDB, Application Deployment, NoSQL, Ajax, Software Architecture, Java, Scalability, Load Balancing, Restful API, Web Applications, File Management
Mixed · Course · 1 - 3 Months

Skills you'll gain: Flask (Web Framework), User Accounts, Web Development, Web Applications, HTML and CSS, Authentications, Cascading Style Sheets (CSS), Database Development, Database Management
Intermediate · Guided Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Dataflow, Data Pipelines, Apache Kafka, Extract, Transform, Load, Real Time Data, Google Cloud Platform, Data Integration, Big Data, Data Architecture, Data Processing, Analytics, Data Transformation, Artificial Intelligence and Machine Learning (AI/ML)
Intermediate · Course · 1 - 4 Weeks

Corporate Finance Institute
Skills you'll gain: Tableau Software, Business Intelligence, Dashboard, Technical Analysis, Market Data, Investment Banking, Tree Maps, Interactive Data Visualization, Data Visualization Software, Market Analysis, Data Analysis, SQL
Beginner · Course · 1 - 3 Months

Whizlabs
Skills you'll gain: Amazon DynamoDB, Amazon Redshift, Databases, Database Architecture and Administration, Relational Databases, Apache Cassandra, NoSQL, Amazon S3, Data Warehousing, SQL, Redis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Responsible AI, Prompt Engineering, Generative AI, AI Product Strategy, OpenAI, Data Pipelines, Data Modeling, ChatGPT, Data Transformation, Data Quality, Database Management, SQL
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Integration, Data Pipelines, Data Lakes, Microsoft Azure, Azure Synapse Analytics, Performance Tuning, Data Processing, Data Migration, Data Transformation, Data Validation, Microsoft SQL Servers, Data Storage
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: PySpark, Apache Spark, Apache Hadoop, Data Pipelines, Big Data, Data Storage Technologies, Data Processing, Distributed Computing, Data Analysis Expressions (DAX), Data Storage, Data Transformation, SQL, Data Manipulation, Performance Tuning
Intermediate · Course · 1 - 3 Months

MathWorks
Skills you'll gain: Data Science, Data Processing, Applied Machine Learning, Machine Learning, Geographic Information Systems, Big Data, Data Visualization, Data Analysis, Data Integration, Amazon Web Services, Cloud Computing, Matlab, Data Cleansing, Regression Analysis, Classification Algorithms
Beginner · Course · 1 - 4 Weeks