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$
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I will write complex sql queries and reports
Analista técnico con dominio en el stack de datos: SQL Server para la gestión, Python para la manipulación y Power BI para la inteligencia de negocios. Experto en Excel Avanzado enfocado en la eficien...
About this Gig
Are you struggling with complex SQL queries, slow database performance, or extracting actionable insights from your data?
I am a Senior Data Analyst with over 12 years of experience in database management, data transformation, and reporting. I will help you extract, clean, and optimize your data efficiently.
What I can do for you:
Write complex SQL queries (SELECT, JOINs, Group By, Subqueries, CTEs)
Create Stored Procedures, Views, Functions, and Triggers
Database Performance Tuning & Query Optimization
Data Cleaning, Filtering, and Transformation (ETL)
Relational Database Design & Schema Modeling
Export data to Excel, CSV, or custom reporting formats
Supported Databases:
Microsoft SQL Server (T-SQL)
MySQL
PostgreSQL
Oracle & SQLite
Why choose me?
12+ years of professional data analytics experience
Fast turnaround time & clean, well-commented code
100% accuracy and strict data confidentiality
Please contact me with your requirements before placing an order to ensure the best results!
FAQ
What SQL databases do you support?
I support Microsoft SQL Server, MySQL, PostgreSQL, Oracle, SQLite, and cloud databases like BigQuery and Snowflake.
How do I share my database or table structure with you?
You can share sample data in CSV/Excel format, table schema (DDL statements), or grant temporary access depending on your security preferences. Data confidentiality is guaranteed.
