I will write, optimize, and debug sql database queries

India

I speak Hindi, Urdu, English, Marathi

Data Analyst Excel Dashboards Reports with AI Video Ppt Cards Images Creator

Data & Coding: Write and debug SQL queries, Python scripts (pandas, Jupyter), Excel formulas, and general code. Writing & Editing: Draft emails, resumes, and reports, or polish existing text for clar...
About this Gig

Welcome to my SQL Database & Query Writing Service!

Are you looking for an expert to write efficient, clean, and optimized SQL queries for your relational database? Whether you need simple data extraction, complex multi-table joins, or database performance tuning, I am here to deliver accurate results.

Databases Supported: MySQL, PostgreSQL, MS SQL Server, SQLite, and Oracle.

Services Offered:

  • Custom Query Writing: SELECT statements, complex WHERE filters, CASE conditions, and pattern matching.
  • Relational Joins & Subqueries: INNER, LEFT, RIGHT, FULL OUTER joins, nested queries, and CTEs (Common Table Expressions).
  • Advanced Analytics: Window functions (RANK, DENSE_RANK, ROW_NUMBER), aggregate reporting, and summary metrics.
  • Database Architecture: Creating tables, views, stored procedures, and triggers.
  • Query Optimization & Debugging: Fixing query execution errors and speeding up slow-running queries.

Why Choose Me?

  • Clean, well-commented, and maintainable SQL scripts
  • 100% accurate output verified against test data
  • Fast delivery and clear communication
  • Strict data security and confidentiality

Please message me with your schema details and requirement before placing an order!

Analysis type:

Quantitative Analysis

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Qualitative Analysis

Expertise:

Trends

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Prediction

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Probability

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Math

•

Churn & Retention

Technology:

Excel

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Google Sheets

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Power BI

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Tableau

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Other

Programming language:

SQL

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