SQL Fundamentals Training in Kraków

SQL Fundamentals Training in Kraków, Poland

This course introduces participants to the fundamentals of Structured Query Language (SQL) and relational databases.

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SQL Fundamentals 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 Fundamentals Training course with hands-on, instructor-led sessions. This course introduces participants to the fundamentals of Structured Query Language (SQL) and relational databases. Through a...

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: LQW50
14 Hrs
Last Updated: April 2026

Course Rating5/5

This course introduces participants to the fundamentals of Structured Query Language (SQL) and relational databases. Through a mix of concepts, guided labs, and exercises, learners will gain the ability to query, manipulate, and manage data using SQL. The training is designed for beginners and those looking to strengthen their data handling skills.

Welcome to the official SQL Fundamentals 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 14 Hrs program, participants will receive a globally accepted certification, demonstrating their proficiency and readiness to tackle complex challenges in the field.

Basic computer literacy (navigating applications, using text editors)
Familiarity with spreadsheets (Excel/Google Sheets) is helpful
No prior SQL or programming experience required

After successful completion, participants will:

Have a strong foundation in SQL and relational databases
Be able to write and troubleshoot SQL queries confidently
Understand how to transform business questions into SQL queries
Be prepared for further learning in advanced SQL, data analysis, BI, or database administration

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

Understand relational databases and how they store data
Create and manage tables in SQL
Insert, update, delete, and query data efficiently
Apply filters, sorting, and functions to refine query results
Use aggregate functions to summarize data
Join multiple tables to extract meaningful insights
Write subqueries for advanced data retrieval
Apply best practices for SQL query writing

Participants’ understanding will be checked through hands-on exercises and a final capstone assessment covering:

Table creation & modification
Data manipulation (INSERT, UPDATE, DELETE)
Writing SELECT queries with filtering and sorting
Using functions (string, numeric, date/time)
Applying GROUP BY, HAVING, and aggregate functions
Writing JOIN queries across multiple tables
Developing subqueries for reporting

ProgNXT Certificate of Completion will be awarded to participants who complete the course and pass the evaluations.

Introduction & Core Concepts

Session 1: Getting Started with Databases & SQL

What is a database? (Relational vs Non-relational)
Overview of RDBMS (MySQL, SQL Server, Oracle, PostgreSQL)
SQL command categories: DDL, DML, DCL, TCL

Session 2: Working with Tables

Schema, tables, rows, and columns
Data types (string, numeric, date/time)
Creating tables (CREATE TABLE)
Modifying tables (ALTER, DROP)

Session 3: Basic Data Operations

Inserting data (INSERT)
Updating data (UPDATE)
Deleting data (DELETE)
Truncating tables

Session 4: Querying Data with SELECT

SELECT basics (single column, multiple columns, all columns)
Using aliases (AS) for readability
Filtering data with WHERE
Comparison operators (=, <>, <, >, BETWEEN, IN, LIKE)

Intermediate Querying & Best Practices

Session 5: Sorting & Limiting Results

ORDER BY (ASC/DESC)
LIMIT / TOP clauses

Session 6: Functions in SQL

String functions (UPPER, LOWER, CONCAT, LENGTH, TRIM)
Numeric functions (ROUND, CEIL, FLOOR)
Date functions (NOW, DATEADD, DATEDIFF, EXTRACT)

Session 7: Aggregations & Grouping

Aggregate functions (COUNT, SUM, AVG, MIN, MAX)
GROUP BY and HAVING clauses

Session 8: Joins & Relationships

Primary & foreign keys
INNER JOIN, LEFT JOIN, RIGHT JOIN, FULL JOIN
Self-joins & cross joins (conceptual)

Session 9: Subqueries & Nested Queries

Single-row subqueries
Multi-row subqueries (IN, ANY, ALL)
Correlated subqueries (intro)

Hands-on Exercises

Summary and Conclusion

Participants will receive course materials, slides, reference materials, exercises and access to resources for further learning.

Participants will be evaluated based on:
Daily quizzes, mock questions and query resolution. Participation in hands-on exercises and labs. Performance in the final review and hands-on exercises will be evaluated.
ProgNXT Certificate of Completion will be awarded to participants who complete the course and pass the evaluations.

SQL Fundamentals Training Events in krakow

Online Events

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More Upcoming Session Dates

October 2026

🌐 Online Instructor-Led

27th Oct 2026→28th Oct 2026

November 2026

🌐 Online Instructor-Led

6th Nov 2026→7th Nov 2026

📍 Kraków, Poland

8th Nov 2026→9th Nov 2026

📍 Kraków, Poland

21st Nov 2026→22nd Nov 2026

🌐 Online Instructor-Led

28th Nov 2026→29th Nov 2026

December 2026

📍 Kraków, Poland

5th Dec 2026→6th Dec 2026

🌐 Online Instructor-Led

11th Dec 2026→12th Dec 2026

🌐 Online Instructor-Led

18th Dec 2026→19th Dec 2026

📍 Kraków, Poland

26th Dec 2026→27th Dec 2026

Events for other courses in Kraków, Poland

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SQL Fundamentals Training in Kraków