Data Analysis with SQL, Python, and Tableau Training Course

This instructor-led, live training in Slovakia (online or onsite) is aimed at intermediate-level database administrators, developers, and analysts who wish to master advanced SQL functionalities for complex data operations and database management.

By the end of this training, participants will be able to:

• Perform advanced querying techniques using unions, subqueries, and complex joins.
• Add, update, and delete data, tables, views, and indexes with precision.
• Ensure data integrity through transactions and manipulate database structures.
• Create and manage databases efficiently for robust data storage and retrieval.

AI for SQL involves applying artificial intelligence and Large Language Models (LLMs) to automate, optimize, and improve how SQL queries are generated, executed, and interpreted within enterprise data environments.

This instructor-led training (available online or onsite) targets intermediate data engineers and technical leads who want to integrate AI capabilities into SQL workflows, enabling natural language querying, intelligent optimization, and automated data analysis.

By the end of this training, participants will be able to:

• Integrate LLMs such as GPT, DeepSeek, LLaMA, Qwen, and Mistral into SQL environments.
• Create natural-language-to-SQL pipelines for conversational data access.
• Implement AI-driven query optimization and error detection.
• Design secure, auditable AI-SQL workflows for enterprise use.

Course Format

• Interactive lectures and discussions.
• Numerous exercises and practice opportunities.
• Hands-on implementation in a live-lab environment.

Course Customization Options

• To request customized training for this course, please contact us to arrange.

 SQL Database Management and Design equips practitioners with advanced techniques for building relational databases from foundational queries to schema design. Covers core principles of SQL query commands, union operations, aggregation functions, and entity relationship modeling. Examines proven methods for multi-table joins, transaction management, and ACID properties. Helps professionals normalize tables, optimize data selection, and design robust database architectures for reliable information systems.

This instructor-led live training, conducted Slovakia (online or onsite), is designed for intermediate-level database administrators and IT professionals aiming to optimize Oracle Database 19c performance.

By the end of this training, participants will be able to:

• Understand Oracle Database 19c performance tuning concepts.
• Use performance management tools effectively.
• Optimize database performance through tuning techniques.
• Troubleshoot and resolve performance issues.

This course is designed to deliver a comprehensive understanding of SQL usage across various database platforms (such as Oracle, SQL Server, and MS Access). By mastering analytic functions and techniques for joining multiple tables, participants will learn to shift data analysis tasks from MS Excel directly to the database layer. This approach not only streamlines analytical workflows but also supports the development of IT systems leveraging relational databases.

SQL serves as the standard language for interacting with and managing databases.

This instructor-led, live training session, available both online and on-site, is designed for beginners who want to learn how to utilize SQL for querying data and generating reports.

Upon completing this course, participants will be capable of:

• Gaining insight into the architecture of relational databases.
• Crafting fundamental SQL statements to extract, filter, and organize data.
• Applying aggregate functions to consolidate information.
• Executing basic joins across multiple tables.

Course Format

• Engaging lectures and discussions.
• Extensive exercises and practical drills.
• Practical implementation within a live-lab environment.

Customization Options

• For those seeking a tailored training experience for this course, please reach out to us to make arrangements.

This instructor-led, live training in Slovakia (online or on-site) is designed for beginner to intermediate data analysts, database professionals, and software developers who aim to learn SQL for effective database management.

By the end of this training, participants will be able to:

• Comprehend and utilize core SQL commands and queries.
• Create and modify tables and databases.
• Leverage SQL to sort, filter, and summarize data.
• Execute complex operations such as joins, subqueries, and set operations.
• Apply intermediate techniques including indexes, views, stored procedures, and triggers.

Upon completing this training, participants will be able to:

This instructor-led, live training located in Slovakia (online or on-site) is designed for data scientists interested in programming in R for Tableau.

• Implement Tableau analytics using R.
• Pass values back to Tableau using R-based learning algorithms.
• Structure and visualize R functions within Tableau.
• Make data-driven decisions for business operations.

This instructor-led, live training in Slovakia (online or onsite) is designed for beginner to intermediate data analysts who want to use Tableau Desktop to transform raw data into meaningful insights through graphical representations such as charts, graphs, maps, and tables.

By the end of this training, participants will be able to:

• Connect to multiple types of data sources (Excel, CSV, databases, cloud-based) and understand the distinctions between live and extract connections.
• Prepare and clean data for analysis, including renaming fields, handling null values, and combining datasets through joins and blends.
• Create basic visualizations such as tables, bar charts, line charts, and maps, and apply filters to refine data presentations.
• Develop intermediate visualizations including geographic maps, dual-axis charts, and use hierarchies, groups, and sets to enhance analysis.
• Build calculated fields and parameters to create dynamic and customized visualizations based on user inputs and logic functions.
• Design interactive dashboards and stories, incorporating multiple visualizations and filters to tell a cohesive narrative.

Tableau Explorer is a specialized license tier within Tableau Cloud, tailored for users who engage with dashboards, apply filters, generate views, and collaborate with teams via published data sources.

This instructor-led, live training (available online or onsite) targets beginner to intermediate business users seeking to explore, filter, and interact with data effectively using the Tableau Explorer role in Tableau Cloud.

Upon completion of this training, participants will be capable of:

• Navigating Tableau dashboards and shared workbooks with confidence.
• Applying filters, drilling down into details, and exporting data from dashboards.
• Creating saved views and custom alerts triggered by data changes.
• Collaborating with team members through comments, subscriptions, and shared views.

Course Format

• Interactive lectures and live demonstrations.
• Hands-on exercises utilizing shared dashboards and published content.
• Real-time practice in Tableau Cloud guided by expert exploration.

Customization Options

• To arrange customized training for this course, please contact us directly.

Upon completing this training, participants will have the ability to:

This instructor-led, live training in Slovakia (online or onsite) is designed for intermediate-level digital forensic and cybersecurity professionals who wish to gain comprehensive knowledge and practical skills in using Tableau Forensic Imager for digital forensic applications.

• Understand the significance and function of digital forensic imaging in investigations.
• Utilize Tableau Forensic Imager to acquire forensically reliable images.
• Apply industry best practices for handling and preserving digital evidence.
• Navigate the software interface to configure, execute, and oversee imaging tasks.
• Analyze and verify forensic images to ensure integrity and legal admissibility.

This instructor-led, live training in Slovakia (online or onsite) is designed for data analysts and scientists who wish to search, analyze, and visualize data using Tableau.

Upon completion of this training, participants will be able to:

• Establish connections to various data sources.
• Edit and save data connections.
• Gain a solid understanding of Tableau terminology.
• Navigate the Tableau interface and workflow to create impactful visualizations.
• Develop calculations, including arithmetic operations, custom aggregations and ratios, date math, and table calculations.
• Represent data using a variety of visualization types.
• Construct dashboards to effectively share insights.

This instructor-led, live training in Slovakia (online or onsite) targets beginner to intermediate-level data analysts who aim to gain practical knowledge of Tableau Prep Builder and the essential mapping functionalities in Tableau to address data preparation and visualization challenges.

By the end of this training, participants will be able to:

• Connect to a variety of data sources, including cloud-based and local files, and manage live and extracted data connections.
• Perform data fusion and combination using advanced joining techniques to merge multiple datasets from different sources for better analysis.
• Create calculated fields and perform operations to manipulate and analyze data dynamically.
• Publish and update prepared data to Tableau Server or Tableau Online, enabling automated updates and scheduling.
• Create basic and advanced maps with geographic data, including filled maps, density maps, and dual-axis maps.
• Apply mapping techniques to solve real-world business problems by creating interactive, detailed geographic visualizations.

This instructor-led, live training in Slovakia (online or onsite) is aimed at advanced-level data professionals who wish to use Tableau to build complex visualizations, optimize dashboards, and perform advanced data analysis.

By the end of this training, participants will be able to: install and configure Tableau for advanced use, create advanced calculations, design interactive dashboards, and optimize performance.

This engaging 4-day course is designed for Tableau newcomers. Participants will become well-versed in Tableau's full range of features and learn how to create and share data visualizations effectively. The curriculum guides learners through every essential step, from connecting to data sources and creating calculations to selecting the appropriate chart types, building dashboards, and publishing their work.

The course structure includes dedicated lectures for each topic, followed by practical exercises. It concludes with a 30-minute assessment and a 60-minute project assignment.

Course milestones:

• Gain familiarity with the Tableau interface.
• Connect to and manipulate your data.
• Utilize Tableau's powerful features.
• Create insightful visualizations.
• Share your findings with a wider audience.

Course Format:

• Interactive lectures and discussions.
• Extensive exercises and practice sessions.
• Hands-on implementation in a live-lab environment.
• Knowledge test and practical project at the conclusion of the course