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.

John Wiley & Sons
Skills you'll gain: Database Administration, Database Architecture and Administration, Database Systems, Database Management, Database Management Systems, Databases, Operational Databases, Data Maintenance, Database Design, Data Management, Data Integrity, Data Security, SQL, Data Validation, System Monitoring, Security Controls, Performance Tuning, Query Languages, Disaster Recovery, Data Science
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: System Monitoring, Data Analysis Expressions (DAX), Real Time Data, Performance Tuning, Microsoft Azure, Dataflow, Data Pipelines, Data Warehousing, Power BI, Apache Spark, Data Governance, Business Analytics, SQL, Data Management, Workflow Management, Data Science, Security Engineering, Artificial Intelligence and Machine Learning (AI/ML), Warehouse Management, Application Deployment
Intermediate · Course · 1 - 3 Months

Pragmatic AI Labs
Skills you'll gain: Data Pipelines, Extract, Transform, Load, Data Lakes, Databricks, Data Architecture, Data Processing, Data Wrangling, Data Strategy, Data Presentation, Data Mining, Data Management, Data Governance, Data Integrity, Data Science, Live Streaming, SQL, Data Storage, Data Ethics, Data Security, Apache
Beginner · Course · 1 - 4 Weeks

University of Washington
Skills you'll gain: Data Visualization, Feature Engineering, Unsupervised Learning, Scientific Visualization, Data Ethics, Data Presentation, Statistical Visualization, Big Data, Relational Databases, Supervised Learning, Database Systems, Dataflow, Data Science, Model Evaluation, Machine Learning Methods, R Programming, Data Analysis, Model Training, SQL, Python Programming
★ 4.2 (923) · Intermediate · Specialization · 3 - 6 Months
Skills you'll gain: Data Warehousing, Google Cloud Platform, Big Data, Model Evaluation, Apache Spark, Data Integration, Dataflow, SQL, Data Pipelines, Metadata Management, Data Management, Real Time Data, Tensorflow, Data Science, Command-Line Interface, Applied Machine Learning, Cloud-Based Integration, Apache Hadoop, Query Languages, Machine Learning
★ 4.3 (125) · Intermediate · Specialization · 1 - 3 Months

University of Colorado System
Skills you'll gain: Tidyverse (R Package), Clinical Data Management, R (Software), Health Insurance Portability And Accountability Act (HIPAA) Compliance, R Programming, Medical Privacy, Clinical Research Ethics, Google Cloud Platform, Data Ethics, Data Science, Statistical Programming, Data Wrangling, Data Processing, SQL, Data Access, Query Languages
★ 4.5 (429) · Intermediate · Course · 1 - 4 Weeks

Splunk Inc.
Skills you'll gain: Splunk, Correlation Analysis, Data Transformation, Interactive Data Visualization, Data Manipulation, Data Visualization Software, Dashboard Creation, Data Wrangling, Performance Tuning, Model Optimization, Dashboard, Statistical Analysis, Data Processing, Analysis, Data Synthesis, Business Intelligence, Data Analysis, Big Data, Data Science, Business Analytics
★ 4.6 (282) · Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Bioinformatics, Unix Commands, grep, Biostatistics, R (Software), Exploratory Data Analysis, Statistical Analysis, Unix Shell, Unix, Data Science, Data Management, Statistical Methods, Information Management, Command-Line Interface, Statistical Hypothesis Testing, Data Structures, Big Data, Molecular Biology, R Programming, Python Programming
★ 4.5 (6.8K) · Intermediate · Specialization · 3 - 6 Months
University of Washington
Skills you'll gain: Big Data, Relational Databases, Database Systems, Dataflow, Databases, Data Science, Database Theory, Data Manipulation, Data Store, Data Processing, Database Management Systems, NoSQL, Apache Spark, Distributed Computing, Apache Hadoop, SQL, Data Analysis, Query Languages, Cloud Computing, Python Programming
★ 4.3 (772) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Shiny (R Package), Data Presentation, Leaflet (Software), Exploratory Data Analysis, Data Wrangling, Predictive Modeling, Tidyverse (R Package), Data Science, Data Collection, Interactive Data Visualization, Data Manipulation, Dashboard, Data Analysis, Data Cleansing, R Programming, Statistical Modeling, Regression Analysis, Dashboard Creation, Ggplot2, Data Visualization
★ 4.6 (112) · Intermediate · Course · 1 - 3 Months

Packt
Skills you'll gain: NumPy, Time Series Analysis and Forecasting, Scikit Learn (Machine Learning Library), Predictive Modeling, Pandas (Python Package), Matplotlib, Plot (Graphics), Data Analysis, Predictive Analytics, Data Visualization, Database Management, Applied Machine Learning, Text Mining, Data Manipulation, Data Science, Data Processing, Python Programming, Statistical Analysis, Data Wrangling, Big Data
Beginner · Course · 1 - 3 Months

Splunk Inc.
Skills you'll gain: Splunk, Dashboard Creation, Data Modeling, Dashboard, Pivot Tables And Charts, Interactive Data Visualization, Data Management, Data Literacy, Data Mapping, Performance Tuning, Incident Management, Query Languages, Information Management, Event Monitoring, Data Processing, Data Science, Big Data, Business Intelligence, Data Analysis, Business Analytics
★ 4.6 (42) · Intermediate · Specialization · 1 - 3 Months