Ver categorias
Explorar
Fiverr Pro
Português
$
USD
I will write and optimize database queries in mongodb, mysql, and sql server
Web developer for modern websites and admin dashboards
Hi I am a web developer focused on modern custom websites with dark UI clean layouts and smooth animations
I help startups and businesses create professional online presences that look modern load fas...
Sobre este Serviço
Do you need fast and reliable SQL queries or want your database to run more efficiently?
I will create, debug, and optimize queries for MySQL, SQL Server, and MongoDB tailored to your needs.
What I offer:
- Query creation (joins, filters, aggregations, subqueries, window functions)
- Debug & fix broken queries (syntax errors, wrong results, timeouts)
- Query optimization (EXPLAIN, indexes, rewrites for faster performance)
- MongoDB aggregation pipelines (match, group, lookup, facet, performance tuning)
- Stored procedures, functions, views, and triggers (MySQL & SQL Server)
- Query analysis & reporting (KPIs, dashboards, CSV/Excel export)
Why choose me?
- Clear communication & professional delivery
- Well-documented code with comments
- Flexible packages: from simple queries to full database support
- Optional extras: fast delivery, detailed documentation, or video explanation
Whether you need 1 simple query or a full performance audit, I can help you get accurate results faster and easier.
_cobbvk.jpg)
_zygssl.jpg)
Plataforma:
MongoDB
•
mySQL
•
SQLite
•
SQL Server
Especialidade:
SQL
•
NoSQL
Meu portfólio
Perguntas frequentes
Can you work with production data?
Yes, but preferably with read-only access or anonymized data exports (JSON/CSV/SQL dump). I always follow data privacy best practices.
Do you optimize existing queries?
Absolutely. I analyze query plans (EXPLAIN/ANALYZE), suggest indexes, and rewrite queries for better performance.
Can you create stored procedures, functions, and views?
Yes, I can create and optimize stored procedures, views, and user-defined functions in MySQL and SQL Server.
Do you also work with MongoDB?
Yes. I build and optimize MongoDB aggregation pipelines (match, group, lookup, facet, etc.) for efficient results.
What do you need from me to start?
Please provide your database type/version, schema or sample data, and a clear description of your requirements.
Do you sign NDAs?
Yes, I am open to signing a non-disclosure agreement if required.
