Oracle SQL Essentials Training in Kraków

Oracle SQL Essentials Training in Kraków, Poland

This course provides a comprehensive introduction to Oracle SQL, covering essential querying skills needed to work with Oracle databases.

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Oracle SQL Essentials Training is a professional training program delivered by ProgNXT in Kraków, Poland. ProgNXT, a globally recognized corporate training provider in 55+ countries, offers this Oracle SQL Essentials Training course with hands-on, instructor-led sessions. This course provides a comprehensive introduction to Oracle SQL, covering essential querying skills needed to work with Oracle databases. The...

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: WLK58
21 Hrs
Last Updated: April 2026

Course Rating5/5

This course provides a comprehensive introduction to Oracle SQL, covering essential querying skills needed to work with Oracle databases. The training is ideal for beginners, data analysts, developers, and database users who want to learn how to retrieve, manipulate, and manage data efficiently using SQL in an Oracle environment.

Welcome to the official Oracle SQL Essentials 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.

No prior SQL experience required
Basic understanding of databases is helpful

Write and optimize queries to extract data from Oracle databases
Perform data filtering, sorting, and grouping
Use joins and subqueries for relational data analysis
Create, modify, and manage tables and data
Apply Oracle-specific functions and best practices

SQL syntax and querying fundamentals
Data filtering, sorting, and aggregation
Joins and subqueries
Data manipulation and table management
Functions, expressions, and clauses in Oracle SQL
Working with constraints and relationships

SELECT statements and WHERE clause usage
Joins, subqueries, and group functions
INSERT, UPDATE, DELETE operations
Table creation, constraints, and relationships
Oracle built-in functions and expressions

ProgNXT Certification will be awarded upon successful completion of the training and evaluation.

SQL Fundamentals and Data Retrieval

Introduction to Oracle SQL

What is SQL?
Oracle Database structure overview

Basic Query Structure

SELECT, FROM, WHERE
Sorting results with ORDER BY

Filtering Data

Logical operators (AND, OR, NOT)
Comparison and pattern matching with LIKE, IN, BETWEEN

Built-in Functions

Numeric, string, and date functions
Conversion and case functions

Hands-On Lab

Aggregation, Joins, and Subqueries

Grouping Data

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

Joining Tables

INNER, LEFT, RIGHT, and FULL OUTER JOIN
Aliases and multi-table joins

Subqueries

Single-row and multiple-row subqueries
Correlated subqueries and EXISTS

Set Operations

UNION, INTERSECT, MINUS

Hands-On Lab

Data Manipulation and Table Management

Data Manipulation Language (DML)

INSERT, UPDATE, DELETE statements
Transaction control: COMMIT, ROLLBACK, SAVEPOINT

Table Management and Constraints

Creating tables with CREATE TABLE
Defining PRIMARY KEY, FOREIGN KEY, UNIQUE, NOT NULL
Altering and dropping tables

Views and Indexes (Intro)

Creating and using views
Understanding indexes for performance

Best Practices and Optimization Tips
Hands-On Lab

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.

Oracle SQL Essentials Training Events in krakow

Online Events

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More Upcoming Session Dates

October 2026

📍 Kraków, Poland

25th Oct 2026→27th Oct 2026

🌐 Online Instructor-Led

28th Oct 2026→30th Oct 2026

November 2026

🌐 Online Instructor-Led

9th Nov 2026→11th Nov 2026

📍 Kraków, Poland

11th Nov 2026→13th Nov 2026

🌐 Online Instructor-Led

22nd Nov 2026→24th Nov 2026

📍 Kraków, Poland

26th Nov 2026→28th Nov 2026

December 2026

🌐 Online Instructor-Led

6th Dec 2026→8th Dec 2026

📍 Kraków, Poland

8th Dec 2026→10th Dec 2026

🌐 Online Instructor-Led

23rd Dec 2026→25th Dec 2026

📍 Kraków, Poland

27th Dec 2026→29th Dec 2026

Events for other courses in Kraków, Poland

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Oracle SQL Essentials Training in Kraków