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I will design , optimize databases, and solve sql problems
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Data Engineer
I’m a Data Engineer and Data Analyst with a Computer Engineering background.
I help businesses turn raw and messy data into clean, reliable, and actionable insights. I specialize in Python, SQL, Pow...
Acerca de este Servicio
Do you need help writing SQL queries, fixing database issues, or extracting useful information from your data?
I will write, troubleshoot, and optimize SQL queries tailored to your specific requirements.
What I can help you with:
SQL Queries & Data Retrieval
JOINs, GROUP BY & Aggregations
Subqueries & CTEs
Window Functions
Data Filtering & Transformation
SQL Query Troubleshooting
Views & Stored Procedures
Query Optimization
Basic Database Design
I work with MySQL and PostgreSQL and focus on writing clean, accurate, and efficient SQL solutions.
Whether you need a few queries for a project or help solving a more complex SQL task, I will provide a practical solution based on your requirements.
Please contact me before ordering complex database projects.
Tipo de base de datos:
Otros
Plataforma:
mySQL
•
Postgresql
•
Snowflake
Experiencia:
Almacén de datos
•
erd
•
Normalización
•
SQL
•
NoSQL
Mi porfolio
FAQ
Q: Which databases do you work with?
A: I currently work with MySQL and PostgreSQL.
Q: Can you write complex SQL queries?
A: Yes. I can work with JOINs, CTEs, subqueries, aggregations, and window functions.
Q: Can you fix an existing SQL query?
A: Yes. I can troubleshoot your query, identify the issue, and provide an improved solution.
Q: Can you optimize slow SQL queries?
A: Yes. I can review your query and suggest improvements to make it more efficient.
Q: Can you create stored procedures and views?
A: Yes. Views and stored procedures are available depending on the selected package and project requirements.
Q: Can you help with database design?
A: Yes. I can help with basic relational database design, tables, relationships, and schema structure.
Q: What do you need to get started?
A: Please provide your database structure or sample data, your SQL requirements, and the expected result.
Q: Can you work with confidential data?
A: Yes, but please provide only the minimum data required for the task and remove any sensitive or personal information whenever possible.
