Learn to speak the language of data. In this practical, hands-on course, you’ll gain the skills to write powerful SQL queries, manage relational databases, and analyze data using Oracle—one of the world’s most trusted database platforms.
Databases
Learn to speak the language of data. In this practical, hands-on course, you’ll gain the skills to write powerful SQL queries, manage relational databases, and analyze data using Oracle—one of the world’s most trusted database platforms.
In today’s digital world, data is at the core of nearly every decision and process. Whether you’re working in government, environmental science, or business intelligence, managing and analyzing data efficiently is critical. Oracle SQL is one of the most widely used and powerful tools for this purpose.
SQL—short for Structured Query Language—is the language used to communicate with databases. And when it comes to large-scale enterprise data, Oracle SQL stands out for its robustness, performance, and security. It’s not just about storing data; it’s about being able to define, retrieve, update, and manage that data in a way that supports smarter decisions and more efficient systems.
At Geo-ICT, we understand the specific needs of professionals working with geodata and spatial systems. That’s why this course focuses on using Oracle SQL as a foundation for effective data handling within geographic information systems (GIS), environmental monitoring, and any data-intensive field. From simple queries to advanced analytics and transaction control, you’ll learn how to work confidently with Oracle databases to solve real-world challenges.
This course will guide you through the essential concepts of Oracle SQL, starting with the basics of relational databases and working up to more advanced querying and analysis techniques. You’ll start by learning how to define tables, assign data types, and set up relationships between tables using primary and foreign keys.
Next, you’ll practice writing queries to retrieve data using SELECT statements, filter results with WHERE, sort them with ORDER BY, and summarize them with GROUP BY. You’ll also learn how to insert, update, and delete records and how to manage data changes with transactions using COMMIT and ROLLBACK.
You’ll work hands-on with Oracle SQL Developer, Oracle’s official development tool, as you explore subqueries, joins, analytical functions, and set operators. Special attention is given to handling geospatial data and working with real-world datasets. By the end of the course, you’ll know how to write optimized queries, create reliable database structures, and analyze large data sets with confidence.
If you’re working specifically with geographic or spatial data, this course provides a strong foundation. For those who want to go deeper into spatial data types, coordinate systems, and geospatial analysis using Oracle, we recommend continuing with our Oracle Spatial course. It’s the next step for professionals looking to combine Oracle SQL with location-based insights.
At Geo-ICT, we know that learning SQL is about more than just writing code—it’s about understanding how to manage data in a meaningful and efficient way. Here’s why this course stands out:
We begin with the fundamentals of databases: relational models, entities, keys, and Oracle-specific tools. You’ll get familiar with Oracle SQL Developer, create your first tables using CREATE TABLE, and learn how to alter or delete tables as needed. You’ll also explore data types, constraints, and best practices for structuring your database.
Now it’s time to manipulate data. You’ll write SQL commands to add (INSERT), change (UPDATE), and remove (DELETE) data. We’ll cover transactions and how to manage them safely. Then you’ll dive into writing queries using SELECT, applying filters with WHERE, and sorting results with ORDER BY. You’ll also begin grouping data and using built-in SQL operators to work with text, dates, and numbers.
We wrap up with functions and joins. You’ll explore built-in SQL functions—such as those for strings, dates, and arithmetic—and learn how to nest functions for more powerful queries. You’ll also work with various types of joins, subqueries, and set operators like UNION, INTERSECT, and MINUS. Finally, you’ll get an introduction to SQL*Plus, Oracle’s command-line interface, and practice creating reusable scripts and reports.
Do you have questions about the course content? Not sure if the course aligns with your learning objectives? Or would you prefer a private session or in-company training? We’re happy to assist—feel free to get in touch.
We aim to make our courses accessible to as many people as possible. If the course fee is a concern, instead of registering directly, you can indicate on the registration form that you’d like to receive a quote tailored to your needs. In many cases, we can offer flexible solutions. For instance, we can adjust the course content for large groups, shorten the course based on existing knowledge, or offer daily rates to suit your requirements.
Yes, you can reach out to the instructor with questions for up to 2 weeks after the course. Since the instructor is likely teaching other courses, we recommend emailing your questions to info@geo-ict.com. We’ll forward your inquiry to the instructor, and you’ll receive a response within 24 hours. After the 2-week period, we recommend using our Personalized Online Support for continued assistance.
Yes, we offer on-site training regularly throughout the Netherlands. Our instructor will bring laptops for the participants, and all you need to do is arrange a suitable room at your location.
Please send your requirements to info@geo-ict.com, and we will provide a customized quote, which will include travel and accommodation costs. Once the quote is confirmed, our course coordinator will reach out to schedule the training days.
After each course, participants receive a link to our evaluation portal where you can share your feedback on what you liked and didn’t like. We strive to provide a great experience for all our participants, but if you have a complaint, please click on ‘Complaints Procedure’ in the portal. This document will guide you through the steps to take. Geo-ICT Training Center, Netherlands, is a member of the Dutch Council for Training and Education (NRTO), ensuring a fair and transparent process.
Courses are typically scheduled according to the Dutch time zone, with sessions running from 9:00 AM to 12:00 PM and 1:00 PM to 4:00 PM. For participants in different time zones, we adjust the course times in consultation with you.
