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I will write and fix sql queries for your postgresql database
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Are you struggling with SQL queries or getting
errors in your database? I can help!
As a Data Analyst specializing in PostgreSQL,
I will write clean, efficient SQL queries
tailored to your needs.
What I can do for you:
- Write custom SQL queries (SELECT, WHERE,
ORDER BY, LIMIT)
- JOIN queries (INNER, LEFT, RIGHT JOIN)
- Data aggregation (GROUP BY, HAVING,
COUNT, SUM, AVG)
- Subqueries and nested queries
- CASE WHEN conditional logic
- Fix syntax errors and bugs in your SQL code
Why choose me?
- Fast delivery within 24 hours
- Clean, well-commented code
- Unlimited revisions on Basic plan
- I explain what each query does
Message me before ordering so we can
discuss your requirements!
Lenguaje de programación:
Python
•
SQL
Tecnología:
Excel
•
Jupyter Notebook
•
Power BI
Experiencia:
Conocimientos comerciales
•
Tendencias
•
Estadísticas
Herramientas:
Pandas
•
Microsoft excel
Mi porfolio
Otros servicios de Análisis de datos que ofrezco
FAQ
What information do I need from you?
Please share your database structure and describe what result you need from the query.
Do you work with MySQL too?
Yes! I work with both PostgreSQL and MySQL databases.
What if I am not satisfied?
I offer revisions until you are fully satisfied with the delivered queries.
