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I will write complex sql queries and optimize slow queries in postgresql
Excel Power BI Data Analysis and MS Word Specialist
Hi, I'm Yashfa Dilshad!
I help individuals and businesses organize data and create professional documents.
My services include:
• Microsoft Excel: Data cleaning, formatting, formulas, and spreadshee...
About this Gig
Is your SQL query failing, returning incorrect results, or difficult to understand?
I provide SQL query writing, debugging, and optimization services using PostgreSQL. I can help you write clean SQL queries, fix errors, and improve query performance.
My Services Include:
- SQL Query Writing
- Complex SQL Queries
- SQL Query Debugging
- PostgreSQL Query Optimization
- SQL Joins and Subqueries
- CTEs and Window Functions
- Data Filtering and Aggregation
- SQL Query Analysis
- Basic Database Performance Analysis
- Query Refactoring and Cleanup
Why Work With Me?
- Clean and well-structured SQL queries
- Accurate query results
- Clear explanations of SQL solutions
- Attention to detail
- Reliable communication
My goal is to provide understandable, accurate, and efficient SQL solutions that meet your requirements.
Please contact me before ordering for large databases or complex SQL tasks so we can discuss your requirements and confirm the project scope.
Database type:
Relational database
Platform:
PostgreSQL
Expertise:
SQL
•
DDL
•
DML
•
Query optimization
My Portfolio
FAQ
Should I contact you before placing an order?
Yes. For larger databases, production systems or complex performance issues, please contact me first so I can review the scope and recommend the correct package.
Which databases do you work with?
I primarily work with PostgreSQL databases, providing SQL query writing, debugging, query optimization, and basic database performance analysis.
Can you optimise slow SQL queries?
Yes! I can review SQL queries, identify potential performance issues, and work on improving query efficiency using PostgreSQL.
Can you fix stored procedures, functions and views?
I can assist with basic PostgreSQL views and SQL query issues. Please contact me first for stored procedures and functions to discuss your requirements.
Can you write complex SQL queries?
Yes! I can write SQL queries using joins, subqueries, CTEs, aggregations, and window functions in PostgreSQL.
