Jenner C

@jcisarcode

SQL database tuning and optimization

Costa Rica

Spanish

About me

I work with databases and SQL, helping to solve real performance and data issues. I have hands-on experience in database performance tuning, stored procedures optimization, SQL script preparation, and data loading/migration. I usually help when queries are slow, procedures don’t scale, or data processes need to be fixed quickly and correctly. I focus on specific problems, explain what’s happening, and deliver clear, working solutions. If you’re stuck with a SQL or database issue, feel free to reach out. Database Performance and Tuning Expert. Main technologies: SQL Server, MySQL, Oracle.... Read more

Skills