I will write, fix and optimize mysql queries and sql reports

Need help with MySQL queries, SQL errors, or inaccurate reports?

I can help you write, fix, debug, and improve SQL queries to deliver accurate and reliable results.

I have hands-on experience with MySQL, Alibaba Cloud DataWorks, and MaxCompute, including data processing, ETL, reporting, and advertising data analysis.

My Services:

• Write and debug MySQL queries
• Fix SQL errors and incorrect results
• Troubleshoot JOIN, GROUP BY, and duplicate data issues
• Review and improve SQL query performance
• Clean, filter, and aggregate data
• Create business reports using SQL
• Validate advertising metrics, revenue, and eCPM

What You Will Receive:

• Clean, organized SQL scripts
• Clear explanations of changes
• Accurate results based on available test data
• Reliable delivery and written communication

Why Choose Me?

I focus on accuracy, attention to detail, and practical solutions. Your requirements will be carefully reviewed before work begins.

Please message me before ordering to confirm your database type, project scope, and expected results. Complex projects may require a custom offer.

Let's solve your SQL problems!