Senior Oracle, PostgreSQL and bespoke web application consulting.

Tolan provides senior-level database consulting services covering Oracle and PostgreSQL environments, with a focus on performance, reliability, and practical, production-ready solutions.

Database issues often arise from decisions made early in a project. Engaging experienced input at the design or implementation stage can significantly reduce risk, avoid costly rework, and improve long-term performance and reliability.

With many years of experience in Oracle systems and hands-on work with modern PostgreSQL deployments, engagements are delivered directly and with a strong emphasis on real-world operational effectiveness.

Tolan designs and builds custom web applications tailored to specific business needs, with a strong focus on data, usability, and long-term maintainability.

From internal tools to customer-facing systems, applications are built to replace manual processes, improve efficiency, and provide clear insight through structured data and reporting.

All development is carried out using modern, reliable technologies with a solid database foundation.

Back in the 1970s, my dentist told me to brush my teeth for two minutes. So did the people who occasionally came to my primary school to teach us how to look after our teeth. We all accepted it without question.

It took a few years in IT before I developed the habit of asking an irritatingly simple question about apparently arbitrary numbers: why?

A practical example of how an apparently simple schema design decision could have introduced significant long-term complexity, and why experienced database input is often most valuable early in a project.

A practical example of why large, apparently unused indexes cannot be evaluated safely in isolation, and why schema context matters when making optimisation decisions.