Data Analysis with SQL, Python, and Tableau Training Course

This instructor-led, live training in Greece (online or onsite) is designed for database administrators, developers, and analysts at an intermediate level 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 the application of artificial intelligence and large language models (LLMs) to automate, optimize, and enhance the generation, execution, and interpretation of SQL queries within enterprise data environments.

This instructor-led, live training (available online or onsite) is designed for intermediate-level data engineers and technical leads who aim to integrate AI capabilities into SQL workflows to facilitate natural language querying, intelligent optimization, and automated data analysis.

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

• Integrate LLMs such as GPT, DeepSeek, LLaMA, Qwen, and Mistral into SQL environments.
• Construct 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 lecture and discussion.
• Extensive exercises and practice.
• Hands-on implementation in a live-lab environment.

Course Customization Options

• To request a 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 course is designed to provide a comprehensive understanding of SQL usage across various databases (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 enhances efficiency but also supports the development of IT systems utilising relational databases.

SQL serves as the standard language for accessing and manipulating databases.

This instructor-led live training, available online or onsite, is designed for beginners who want to learn how to query data and generate reports using SQL.

Upon completing this training, participants will be able to:

• Grasp the structure of relational databases.
• Compose basic SQL statements to retrieve, filter, and sort data.
• Apply aggregate functions to summarize data.
• Execute basic joins across multiple tables.

Course Format

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

Course Customization Options

• For a customized version of this course, please contact us to make arrangements.

This instructor-led, live training in Greece (online or onsite) is tailored for beginner to intermediate data analysts, database professionals, and software developers who aim to master SQL for effective database management.

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

• Understand and use fundamental SQL commands and queries.
• Create and manipulate tables and databases.
• Use SQL to sort, filter, and summarize data.
• Implement more complex operations like joins, subqueries, and set operations.
• Apply intermediate techniques such as indexes, views, stored procedures, and triggers.

SQL is a standardized language used to query, manipulate, and manage data within relational database systems.

This instructor-led, live training (online or onsite) is aimed at beginner-level to advanced-level users who wish to build efficient SQL queries and work confidently with relational databases.

By the end of this training, participants will gain the skills to:

• Construct SQL queries to retrieve, filter, and sort data.
• Manipulate data using insert, update, and delete operations.
• Create joins, subqueries, and aggregated reports.
• Apply advanced SQL techniques for real-world data analysis.

Format of the Course

• Instructor-led lectures combined with guided discussions.
• Hands-on query building and practical exercises.
• Live-lab demonstrations using real datasets.

Course Customization Options

• If you require a tailored SQL program for your organization, please contact us to arrange.

By the conclusion of this training, participants will be equipped to:

This live, instructor-led training in Greece (available online or onsite) is designed for data scientists who wish to program in R for Tableau.

• Implement Tableau analytics with R.
• Return values to Tableau using learning algorithms in R.
• Structure and visualize R functions in Tableau.
• Make data driven decisions for business operations.

This instructor-led, live training in Greece (online or onsite) is intended for beginner to intermediate data analysts who wish to utilize 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 represents a specific license level within Tableau Cloud, tailored for users who need to engage with dashboards, apply filters, generate views, and collaborate with teams via published data sources.

This instructor-led training session, available either online or onsite, targets beginner to intermediate business users who aim to explore, filter, and interact with data using the Tableau Explorer role in Tableau Cloud.

Upon completing this training, participants will be equipped to:

• Navigate Tableau dashboards and shared workbooks with confidence.
• Apply filters, drill down into details, and export data directly from dashboards.
• Create saved views and set up custom alerts triggered by data changes.
• Collaborate effectively with team members through comments, subscriptions, and shared views.

Course Format

• Interactive lectures combined with live demonstrations.
• Practical exercises utilizing shared dashboards and published content.
• Real-time practice within Tableau Cloud, guided by expert exploration.

Course Customization Options

• For requests regarding customized training for this course, please contact us to arrange.

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

This instructor-led, live training in Greece (online or onsite) targets intermediate-level digital forensic and cybersecurity professionals seeking a thorough understanding and practical expertise in utilizing Tableau Forensic Imager for digital forensic operations.

• Grasp the role and significance of digital forensic imaging in investigations.
• Operate Tableau Forensic Imager to acquire forensically sound images.
• Apply best practices in handling and preserving digital evidence.
• Navigate the software interface to configure, execute, and manage imaging tasks.
• Analyze and validate forensic images to ensure integrity and admissibility in court.

This instructor-led live training, available in Greece (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 capable of:

• Connecting to various data sources.
• Editing and saving data sources.
• Understanding key Tableau terminology.
• Leveraging the Tableau interface and paradigm to create impactful visualizations.
• Developing calculations such as arithmetic operations, custom aggregations, ratios, date math, and table calculations.
• Presenting data through diverse visualization types.
• Constructing dashboards to share visual insights.

This instructor-led, live training in Greece (online or in-person) is designed for beginner to intermediate data analysts seeking practical expertise in Tableau Prep Builder and essential mapping capabilities within Tableau to address data preparation and visualization challenges.

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

• Establish connections to a wide range of data sources, including cloud-based and local files, while managing both live and extracted data links.
• Execute data fusion and combination through sophisticated joining methods to consolidate multiple datasets from diverse origins for enhanced analysis.
• Develop calculated fields and execute operations to dynamically manipulate and analyze data.
• Publish and refresh prepared data in Tableau Server or Tableau Online, facilitating automated updates and scheduling.
• Construct fundamental and advanced maps using geographic data, encompassing filled maps, density maps, and dual-axis maps.
• Utilize mapping techniques to resolve real-world business challenges by generating interactive, detailed geographic visualizations.

This instructor-led live training in Greece (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 intensive 4-day program is designed for beginners looking to master Tableau. Participants will gain comprehensive familiarity with Tableau’s features and learn the techniques required to create and share effective data visualizations. The curriculum walks you through every essential step, from connecting to data sources and developing calculations to selecting appropriate chart types, constructing dashboards, and publishing your final outputs.

The course structure consists of topic-specific lectures followed by practical application sessions. The program concludes with a 30-minute assessment and a 60-minute hands-on project assignment.

Course milestones:

• Gain proficiency with the Tableau interface.
• Connect to and manipulate your data.
• Utilize key Tableau functionalities.
• Create insightful visualizations.
• Share your insights with a wider audience.

Course format:

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