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I will be your sql developer and data analyst for database queries
Data Analyst , SQL Developer and Excel Expert
"I am a passionate Data Analyst and SQL developer with a strong foundation in managing and analyzing datasets.I specialize in writing efficient SQL queries, data cleaning ,and data transformation usi...
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What I Can Do For You:
- Write custom SQL queries (DDL, DML, DQL) to extract and manipulate data.
- Build complex queries using Joins, Subqueries, and Common Table Expressions (CTEs).
- Optimize slow-running queries for better database performance.
- Create and design relational database structures and tables.
- Clean, transform, and analyze data to find hidden trends.
Tools & Databases I Work With:
- MySQL / MySQL Workbench
- Microsoft SQL Server
- Advanced Excel (Pivot Tables, Power Query)
- Python (Pandas, NumPy) for advanced data tasks
Why Choose Me?
Accurate & Optimized Code: Clean and efficient queries that save time.
On-Time Delivery: Fast turnaround time with regular updates.
Client Satisfaction: Unlimited revisions to ensure the job meets your exact needs.
Please feel free to message me before placing an order so we can discuss your project requirements in detail. Let's get to work!
Plataforma:
mySQL
Experiencia:
SQL
•
DML
•
DQL
•
Optimización de consultas
FAQ
What databases and tools do you specialize in?
Answer: I specialize in MySQL, Microsoft SQL Server, Advanced Excel (Pivot Tables, Power Query), and Python (Pandas, NumPy) for data analysis and query writing
Can you optimize my existing slow-running SQL queries?
Answer: Yes, absolutely! I can analyze your current queries, execution plans, and structure to optimize them using Joins, CTEs, or proper indexing for better performance.
What do you need from me to start working on the project?
Answer: I will need a clear description of your requirements, the database schema (table structures), or some sample data (CSV/Excel) to understand the context.
Question: Will my data remain confidential and secure?
Answer: Yes, 100%. Data privacy and confidentiality are my top priorities. Your data will never be shared with anyone else.
