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.

Johns Hopkins University
Skills you'll gain: Apache Hadoop, Big Data, Apache Hive, Apache Spark, NoSQL, Data Infrastructure, File Systems, Data Processing, Data Management, Analytics, Data Science, Databases, SQL, Query Languages, Data Manipulation, Java, Data Structures, Distributed Computing, Performance Tuning, Software Architecture
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Apache Spark, Managed Services, Google Cloud Platform, Big Data, Apache Hadoop, Data Management
Beginner · Project · Less Than 2 Hours

Banco Interamericano de Desarrollo
Skills you'll gain: Data Collection, Business Intelligence, Data-Driven Decision-Making, Data Strategy, Data Analysis, Business Analytics, Data Ethics, Analytics, Big Data, Small Data, Diversity and Inclusion, Organizational Effectiveness, Data Quality, Market Opportunities
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: SQL, Big Data, Data Validation, Query Languages, Data Mining, Business Metrics
Advanced · Project · Less Than 2 Hours

Skills you'll gain: Data Pipelines, Big Data, Data Lakes, Microsoft Azure, Data Processing, Extract, Transform, Load, Data Integration, Cloud Management, Cloud Services
Advanced · Guided Project · Less Than 2 Hours

Skills you'll gain: PySpark, Apache Spark, Data Pipelines, Data Processing, AI Personalization, Dimensionality Reduction, OpenAI API, Data Manipulation, Pandas (Python Package), Data Transformation, Predictive Modeling, Unsupervised Learning, Applied Machine Learning, Scatter Plots, Embeddings, Machine Learning
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: MongoDB, Data Transformation, Customer Analysis, Data Analysis, Back-End Web Development, Customer Data Management, Data Processing, NoSQL, Data Maintenance, Pandas (Python Package), Database Design, Data Validation, Financial Data, Data Import/Export, Database Management, Databases, Data Pipelines, Data Access, Query Languages, Performance Tuning
Beginner · Specialization · 1 - 3 Months

Google Cloud
Skills you'll gain: Google Gemini, Retrieval-Augmented Generation, Gemini, Embeddings, Generative AI, Predictive Modeling, Vector Databases, Big Data, Data Analysis, Exploratory Data Analysis, Artificial Intelligence and Machine Learning (AI/ML), AI Enablement, SQL, Python Programming, Data Preprocessing, Customer Relationship Management, Google Cloud Platform, Data Visualization Software, Machine Learning
Beginner · Specialization · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Frontend Integration, Application Programming Interface (API), Secure Coding, Cloud Deployment, JavaScript Frameworks, Frontend Performance, Database Development, Maintainability, Node.JS, Server Side, Authentications, Application Performance Management
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Apache Cassandra, NoSQL, Data Store, Databases, Database Management Systems, Application Deployment, Database Architecture and Administration, Query Languages, Database Management, Data Storage, System Monitoring, Data Maintenance, Distributed Computing, Application Security, Data Modeling, Data Security, Scalability
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Teradata SQL, SQL, Stored Procedure, Transaction Processing, Query Languages, Performance Tuning, Database Management, Data Manipulation, Data Security, Extract, Transform, Load, Database Architecture and Administration, Data Transformation, Data Storage, Relational Databases, Solution Design, Database Management Systems, Data Import/Export, Database Design, System Implementation, Mainframe Computing
Intermediate · Specialization · 1 - 3 Months

EDUCBA
Skills you'll gain: Data Lakes, Microsoft Azure, Stored Procedure, Data Architecture, Performance Tuning, Data Management, Query Languages, Data Manipulation, Scripting, SQL, Data Processing, Windows PowerShell, Microsoft Visual Studio, Command-Line Interface, Heat Maps
Intermediate · Course · 1 - 3 Months