You will get I will write, fix and optimize SQL queries for your database

Project details
I am a professional SQL developer who can write, fix and optimize SQL queries for your database.
I can help you with SQL errors, joins, subqueries, data extraction and performance optimization.
I work with MySQL, PostgreSQL, SQL Server and Oracle databases.
If your query is slow, not working or you need a new SQL query, I am ready to help.
Fast delivery and accurate results guaranteed.
I can help you with SQL errors, joins, subqueries, data extraction and performance optimization.
I work with MySQL, PostgreSQL, SQL Server and Oracle databases.
If your query is slow, not working or you need a new SQL query, I am ready to help.
Fast delivery and accurate results guaranteed.
Database Type
MySQL, MS SQL, MS Access, Oracle, SQLite, PostgreSQL, MongoDBWhat's included
| Service Tiers |
Starter
$10
|
Standard
$25
|
Advanced
$50
|
|---|---|---|---|
| Delivery Time | 1 day | 2 days | 3 days |
Number of Revisions | 1 | 1 | 2 |
Source Code |
Optional add-ons
You can add these on the next page.
Fast Delivery
+$20 - $30Frequently asked questions
About Mahesh
ETL Developer skilled in Informatica PowerCenter, SQL, and PySpark for
Hindupur, India - 8:31 pm local time
I help organizations build reliable and scalable data pipelines by converting raw data into clean, structured, and analytics-ready formats. My experience includes working on end-to-end ETL development, data warehousing support, and modernization of legacy workflows into Spark-based solutions.
What I can help you with:
Informatica PowerCenter mappings, workflows, and session performance tuning
SQL development, query optimization, and database support
Migrating traditional ETL processes into PySpark pipelines
Data transformation, cleansing, and validation
Building automated reporting-ready datasets
I focus on delivering high-quality, well-documented work with strong attention to accuracy, timelines, and clear communication.
If you are looking for an ETL specialist or a junior data engineer to support your data integration projects, I would be happy to collaborate.
Steps for completing your project
After purchasing the project, send requirements so Mahesh can start the project.
Delivery time starts when Mahesh receives requirements from you.
Mahesh works on your project following the steps below.
Revisions may occur after the delivery date.
Understand Requirements
Review your SQL query, database type and expected output before starting work.





