About Us

How it all started

Ocevariss emerged not as a business idea but as a response to a real problem. Several years ago, a group of analysts faced a typical situation: newcomers to the team spent weeks learning to write basic SQL queries, and existing learning materials were either too theoretical or outdated. Textbooks talked about database normalization but didn't explain how to quickly retrieve needed data for a report. Courses promised much but rarely showed real examples from work projects.

We decided to gather knowledge accumulated over years of working with databases and structure it so a person could go from zero to confident SQL use in their projects. Not through months of theory but through practical immersion in real tasks. This is how the first Ocevariss course appeared—a set of materials we initially used within our team.

Why SQL and why now

Data has become the foundation of decision-making in any field. Companies collect information about clients, sales, logistics, finances—but this data is worthless without the ability to analyze it. SQL remains the most widespread tool for working with structured data, regardless of industry or company size. However, most specialists working with information don't have technical education and often fear starting to learn SQL, considering it a complex tool for programmers.

We know this isn't true. SQL is a query language that becomes intuitive after several hours of practice. The main thing is the right approach to learning. Instead of starting with database architecture and relational algebra, we started with a simple question: how to get needed data from a table? Then—how to combine several tables? How to group results? How to create a report you can show to management?