You will get help to wrote all Simple to Complex Queries
Top Rated
Project details
I specialize in writing efficient, scalable, and secure SQL queries for complex database systems. Whether you need data extraction, reporting, ETL logic, or query performance tuning, I deliver solutions that reduce execution time and improve accuracy.
What sets me apart?
✔ 20+ years of database experience with Oracle, SQL Server, MySQL, PostgreSQL
✔ Query optimization expertise (indexes, execution plans, batch processing)
✔ Ability to handle large datasets and high concurrency without timeouts
✔ Clean, modular, and well-documented SQL code for easy maintenance
✔ Focus on business logic accuracy and performance under load
I ensure queries are optimized for speed, resource efficiency, and scalability, making your applications faster and more reliable.
What sets me apart?
✔ 20+ years of database experience with Oracle, SQL Server, MySQL, PostgreSQL
✔ Query optimization expertise (indexes, execution plans, batch processing)
✔ Ability to handle large datasets and high concurrency without timeouts
✔ Clean, modular, and well-documented SQL code for easy maintenance
✔ Focus on business logic accuracy and performance under load
I ensure queries are optimized for speed, resource efficiency, and scalability, making your applications faster and more reliable.
Database Type
MySQL, MS SQL, MS Access, Oracle, SQLite, PostgreSQLWhat's included
| Service Tiers |
Starter
$35
|
Standard
$75
|
Advanced
$100
|
|---|---|---|---|
| Delivery Time | 2 days | 3 days | 4 days |
Number of Revisions | Unlimited | Unlimited | Unlimited |
Number of Queries | 2 | 5 | 8 |
Query Debugging | |||
Query Optimization | - | - | - |
Query Scheduling | - | - | - |
Query Analysis | - | - | - |
Source Code |
Optional add-ons
You can add these on the next page.
Fast Delivery
+$30 - $100
98 reviews
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WL
Wanda L.
Jul 15, 2026
hello Hamid - happy new year ! I have been trying to contact you - how can i reconnect?
HS
Hadi S.
Oct 31, 2025
SQL Expert Developer/Advisor
Thank you for the hard work
MF
Mercy F.
Sep 2, 2025
SQL help
SG
Swetha G.
Jul 31, 2025
SQL Query Optimization
SW
Sanje W.
Jul 5, 2025
SQL Data Extraction from CodeIgniter Database (Excel Output)
He was thorough and explained his procedure well.
About Wahab
SQL Server | Oracle | MySQL Expert | Performance Tuning, ETL,Migration
100%
Job Success
Multan, Pakistan - 2:36 pm local time
Need help with ETL, reporting, or database migration?
Looking for a reliable database expert who can solve problems efficiently and deliver clean, accurate results?
I help businesses improve database performance, optimize SQL queries, build ETL workflows, and manage safe, accurate data migrations across SQL Server, Oracle, MySQL, and PostgreSQL.
I can help with:
• SQL query optimization and performance tuning
• Stored procedures, functions, triggers, and packages
• ETL development and data import/export processes
• SQL Server, Oracle, MySQL, and PostgreSQL development
• Data migration, validation, and transformation
• SSIS, SSRS, and SSMS
• Oracle Forms, Oracle Reports, BI Publisher, and Pro*C
• Database troubleshooting, cleanup, and optimization
I focus on practical solutions that improve speed, accuracy, and reliability. My goal is not just to write SQL, but to solve the business problem behind it.
Why work with me?
• Strong expertise across multiple database platforms
• Oracle Certified Professional (Developer Track)
• Master’s degree in Computer Science
• Detail-oriented and quality-focused
• Clear communication and dependable delivery
I can support one-time fixes, ongoing database work, ETL projects, reporting solutions, and migration tasks.
Let’s discuss your requirements and find the right solution for your project.
Steps for completing your project
After purchasing the project, send requirements so Wahab can start the project.
Delivery time starts when Wahab receives requirements from you.
Wahab works on your project following the steps below.
Revisions may occur after the delivery date.
Project Requirement
The first part of every project is to get requirement docs. Once we understand the requirement normal practice to help you query your data i need database access which help us to retrieve data with specific logic on based of query
Query Overview
Once query developed and we successful test it then we help you to run this in production environment to verify the accurate result through it.