SQL Advanced Training in Kraków

SQL Advanced Training in Kraków, Poland

This course emphasizes practical applications using real-world data scenarios, preparing participants for roles in data analysis, business intelligence, and database development.

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SQL Advanced Training is a professional training program delivered by ProgNXT in Kraków, Poland. ProgNXT, a globally recognized corporate training provider in 55+ countries, offers this SQL Advanced Training course with hands-on, instructor-led sessions. This advanced SQL course is designed for professionals who are familiar with basic SQL and want to enhance their skills to handle complex queries,...

Expert Panel

Designed and delivered by the ProgNXT Database Management Expert Panel — a vetted team of industry professionals with 15+ years of hands-on experience in MySQL, PostgreSQL, Oracle, and database optimization

ProgNXT Database Management Expert Panel

Course Code: LLR14
21 Hrs
Last Updated: April 2026

Course Rating5/5

This advanced SQL course is designed for professionals who are familiar with basic SQL and want to enhance their skills to handle complex queries, performance tuning, data manipulation, and analytical functions. The course emphasizes practical applications using real-world data scenarios, preparing participants for roles in data analysis, business intelligence, and database development.

Welcome to the official SQL Advanced Training certification program in Kraków, Poland. This comprehensive training is designed to elevate your professional skills and provide you with practical, industry-relevant knowledge locally. As a globally recognized corporate training provider operating in 55+ countries, ProgNXT ensures that our curriculum meets the highest standards of excellence.

Whether you are looking to upskill your team or advance your personal career, our expert-led sessions will guide you through the core concepts of this domain. Upon successful completion of the 21 Hrs program, participants will receive a globally accepted certification, demonstrating their proficiency and readiness to tackle complex challenges in the field.

Solid understanding of basic SQL (SELECT, JOINs, WHERE clauses, GROUP BY, etc.)
Familiarity with relational database concepts (e.g., tables, keys, normalization)
Experience with any RDBMS (e.g., MySQL, PostgreSQL, SQL Server, Oracle, etc.)

Upon completion, participants will be able to:

Write optimized and complex SQL queries for business intelligence and reporting.
Utilize advanced SQL functions such as window functions, CTEs, and subqueries.
Perform query optimization and indexing strategies.
Manage and manipulate large datasets effectively.
Apply SQL for data analytics, transformation, and reporting.

Advanced SQL query writing
Performance tuning & indexing
Use of analytic & window functions
Query optimization techniques
Data transformation and cleansing using SQL
Writing stored procedures, triggers, and views
Working with large-scale databases
Error handling and transactions

Writing optimized multi-table joins and nested subqueries
Implementing window functions for ranking and aggregations
Creating and querying CTEs and recursive structures
Analyzing and tuning SQL query performance
Developing stored procedures, triggers, and error handling routines

ProgNXT Certificate of Completion will be awarded to participants who successfully complete the course and assessments.

Course Agenda

Advanced Querying Techniques

Complex joins and subqueries
Set operations (UNION, INTERSECT, EXCEPT)
Nested and correlated subqueries
Derived tables and inline views

Analytical & Window Functions

Introduction to window functions
RANK(), DENSE_RANK(), ROW_NUMBER()
LEAD(), LAG(), FIRST_VALUE(), LAST_VALUE()
Aggregate functions over partitions

Common Table Expressions (CTEs) & Recursive Queries

Simple CTEs and readability
Recursive CTEs for hierarchical data
Real-world use cases

Performance Tuning and Indexing

Execution plans and query profiling
Index types and use cases
Optimizing complex queries
Avoiding common performance pitfalls

SQL Programming & Best Practices

Stored procedures and functions
Triggers and error handling
Transaction control and isolation levels
SQL security basics

Hands-on Exercises

Case Study

Instructor presentations and detailed notes
Hands-on SQL lab exercises and datasets
Reference guides for SQL syntax (PostgreSQL / MySQL / SQL Server flavor)

Quizzes & Assignments
Hands-on Labs
Participation & Engagement

ProgNXT Certificate of Completion will be awarded to participants who successfully complete the course and assessments.

SQL Advanced Training Events in krakow

Online Events

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More Upcoming Session Dates

October 2026

📍 Kraków, Poland

22nd Oct 2026→24th Oct 2026

November 2026

🌐 Online Instructor-Led

6th Nov 2026→8th Nov 2026

📍 Kraków, Poland

8th Nov 2026→10th Nov 2026

🌐 Online Instructor-Led

19th Nov 2026→21st Nov 2026

📍 Kraków, Poland

27th Nov 2026→29th Nov 2026

December 2026

🌐 Online Instructor-Led

3rd Dec 2026→5th Dec 2026

📍 Kraków, Poland

5th Dec 2026→7th Dec 2026

🌐 Online Instructor-Led

24th Dec 2026→26th Dec 2026

📍 Kraków, Poland

28th Dec 2026→30th Dec 2026

Events for other courses in Kraków, Poland

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SQL Advanced Training in Kraków