Is it Microsoft SQL SERVER ?
How I will get access ?
Is it in cloud?
How long queries are currently running?
I am having extensive experience in MSSQL db performance tuning. Worked with US,UK customers in past. Mostly I do work as a hobby.
Having experience in Cloud, DB migration, Performance Tuning, SQL installation, setting up High Availability for customers business critical application, experience in Indexing, db maintenance.