u
usman01_zainab

Zainab

@usman01_zainab

Database optimisation Specialist

Chile
English, Spanish, German
About me
I help businesses improve the speed, reliability, and efficiency of their databases through expert optimization and performance tuning. With experience in SQL Server, MySQL, PostgreSQL, Oracle Database, Microsoft Access, and Oracle APEX, I specialize in identifying bottlenecks, optimizing SQL queries, improving indexing strategies, and designing scalable database structures.... Read more

Skills

u
usman01_zainab
Zainab
Offline • 
Average response time: 1 hour

See my services

Design & Optimization
I will optimize sql queries and improve database performance
From$20 / projectMore details
Book & eBook Marketing
I will do organic islamic book promotion kindle book marketing
From$10 / projectMore details

Work experience

Fiverr

Database Management Specialist

Fiverr • Freelance

May 2018 - Present • 8 yrs 2 mos

I specialize in improving database performance, reliability, and scalability for businesses through SQL optimization, query tuning, database restructuring, and performance analysis. I work with SQL Server, MySQL, PostgreSQL, Oracle Database, and Microsoft Access to optimize queries, improve indexing strategies, design efficient database structures, and resolve performance bottlenecks. My experience includes database design, normalization, stored procedures, migration, backup solutions, and creating efficient data-driven systems that support business applications.