You will get SQL query that runs fast
Project details
You have a SQL issue blocking your work — a syntax error, a join that isn’t joining, a query that takes forever, or results that don’t make sense. I specialize in small, high‑impact fixes that get your database running smoothly again.
I’ll diagnose the problem, repair the query, and provide a clean, optimized version you can rely on.
I’ll diagnose the problem, repair the query, and provide a clean, optimized version you can rely on.
Database Type
MySQL, MS SQL, MS Access, Oracle, PostgreSQLWhat's included
| Service Tiers |
Starter
$25
|
Standard
$50
|
Advanced
$75
|
|---|---|---|---|
| Delivery Time | 1 day | 1 day | 2 days |
Number of Revisions | 1 | 1 | 2 |
Number of Queries | 1 | 1 | 3 |
Query Debugging | |||
Query Optimization | |||
Query Scheduling | - | - | |
Query Analysis | |||
Source Code | - | - |
About Dennis
Database & Backend Fixer
Huntington Beach, United States - 12:33 am local time
I’m Dennis Stevens, a senior SQL developer and data engineer with 20+ years of experience supporting government agencies, telecom companies, and small businesses. I specialize in building, repairing, and optimizing data systems so your pipelines run reliably and your numbers stay accurate.
What I Do
Optimize slow or inefficient SQL queries
Design, refactor, and normalize database schemas
Build and troubleshoot ETL/ELT pipelines
Fix data import/export issues
Clean, validate, and transform messy datasets
Repair broken reporting logic and incorrect metrics
Implement stored procedures, views, and functions
Steps for completing your project
After purchasing the project, send requirements so Dennis can start the project.
Delivery time starts when Dennis receives requirements from you.
Dennis works on your project following the steps below.
Revisions may occur after the delivery date.
Analysis
I will do a quick analysis of the query. I may ask further questions, such as the size of the table and number of users.