I will write and fix sql queries for your postgresql database
Data Analyst Python Pandas PostgreSql Power BI Excel
Acerca de este Servicio
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!
Tecnología:
Excel
•
Jupyter Notebook
•
Power BI
Experiencia:
Conocimientos comerciales
•
Tendencias
•
Estadísticas
Lenguaje de programación:
Python
•
SQL
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.
