Vidar Eidissen is an Oracle ACE Associate, database developer and technical lead in the Norwegian database consultancy Eritec. He participates in projects both as a developer and lead, showing team members techniques for more maintainable and efficient use of the Oracle database.
He’s been working with Oracle Databases since 1998, focusing on ETL, application development, application performance tuning, troubleshooting, and more.
He has spent 23 years at DIPS ASA, Norway’s leading vendor of e-health solutions for hospitals. There he delivered solutions to three of four health regions with a total of more than 80,000 users on a near daily basis, the largest installations supporting 8,000-9,000 concurrent sessions and close to 50 TB.
He advocates a holistic approach to application performance, focusing not only on the database, but on the behavior of the system from the end-user down. As a consequence he likes the #SmartDB paradigm.
He holds several top certifications within SQL and PL/SQL and has a small blog at nicetheory.io.
His expertise includes: Performant application development, Performance testing, ETL, SQL and application tuning.