Data Analysis with SQL, Python, and Tableau Training Course

This instructor-led, live training in Serbia (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 represents the application of 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, live training (available online or onsite) is designed for intermediate-level data engineers and technical leads who want 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.
• Develop 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.
• Extensive exercises and practice sessions.
• 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.

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

This course is dedicated to users, programmers, or administrators who already have some knowledge of working with Oracle databases and want to deepen and systematize it. It acts as a complement to the ORA_S1 training course.

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

• Gain skills to efficiently store and process data using SQL, introducing knowledge of optimization, analysis, and various methods of data extraction. At the same time, it will provide knowledge of the database architecture and its advanced capabilities to create effective applications.

Format of the Course

• 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.

This course is designed to provide a comprehensive understanding of SQL utilization across various database platforms, including Oracle, SQL Server, and MS Access. By mastering analytic functions and techniques for joining tables within a database, participants will learn to shift data analysis operations from MS Excel directly to the database layer. This approach not only streamlines analysis but also supports the development of any IT system relying on relational databases.

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

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

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

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

Course Format

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

Customization Options

• To request tailored training for this course, please contact us to make arrangements.

This instructor-led, live training in Serbia (online or onsite) is tailored for data analysts, database professionals, and software developers at the beginner to intermediate level who wish to learn SQL for effective database management.

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

• Understand and apply fundamental SQL commands and queries.
• Create and manipulate tables and databases.
• Use SQL to sort, filter, and summarize data.
• Implement 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 gain the ability to:

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

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

This instructor-led live training in Serbia (online or onsite) targets beginner to intermediate data analysts who aim to use Tableau Desktop to transform raw data into meaningful insights via 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 tier within Tableau Cloud, tailored for users who engage with dashboards, apply filters, create views, and collaborate with teams using published data sources.

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

Upon completing this training, participants will be capable of:

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

Format of the Course

• Interactive lecture and demonstration.
• Hands-on exercises using shared dashboards and published content.
• Real-time practice in Tableau Cloud with guided exploration.

Course Customization Options

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

Upon completion of this training, participants will be equipped with the following capabilities:

This live, instructor-led course in Serbia (online or onsite) is designed for digital forensics and cybersecurity professionals at an intermediate level. The program aims to provide a thorough understanding and practical expertise in utilizing Tableau Forensic Imager for forensic investigations.

• Comprehend the critical role of digital forensic imaging in investigative processes.
• Utilize Tableau Forensic Imager to acquire forensically sound disk images.
• Implement best practices for the handling and preservation of digital evidence.
• Navigate the software interface to configure, execute, and manage imaging operations.
• Analyze and validate forensic images to guarantee integrity and court admissibility.

This instructor-led live training in Serbia (available online or on-site) targets data analysts and scientists aiming to search, analyze, and visualize data using Tableau.

By the conclusion of this training, participants will be capable of:

• Connecting to their data sources.
• Editing and saving data sources.
• Understanding key Tableau terminology.
• Utilizing the Tableau interface and paradigm to create impactful visualizations.
• Creating calculations such as arithmetic operations, custom aggregations, ratios, date math, and table calculations.
• Representing data through various visualization types.
• Building dashboards for sharing visual insights.

This instructor-led, live training in Serbia (online or onsite) is designed for beginner to intermediate data analysts who aim to acquire practical skills in Tableau Prep Builder and the essential mapping functionalities in Tableau to tackle 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 Serbia (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 those new to Tableau. Participants will become familiar with all Tableau features and learn how to create and share data visualizations. The course will guide you through every step, including connecting to data, creating calculations, selecting charts, building dashboards, and publishing your work.

The course is divided into lectures dedicated to each topic, followed by practical exercises. The course will end with a 30-minute test and a 60-minute project assignment.

Course milestones:

• Get familiar with Tableau interface.
• Connect to and work with your data.
• Use the Tableau features.
• Build an insightful visualization.
• Share your work with a broader audience.

Format of the Course:

• Interactive lecture and discussion.
• Lots of exercises and practice.
• Hands-on implementation in a live-lab environment.
• Knowledge test and hands-on project at the end of the course.