I will debug and fix sql query errors and incorrect results

Is your SQL query failing, returning incorrect results, or producing duplicate or missing records? I will help you identify the issue and deliver a clear, tested correction.

WHAT I CAN FIX

• SQL syntax errors and broken queries
• JOIN, WHERE, GROUP BY and filtering issues
• Duplicate rows and incorrect aggregations
• Query logic and reporting discrepancies
• Basic query troubleshooting
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WHAT YOU WILL RECEIVE

• A corrected SQL query
• An explanation of the problem and solution
• Testing against the schema or sample data you provide
• Clean, readable SQL code

WHY CHOOSE MY SERVICE?

I bring experience in data, business intelligence, SQL, Oracle/PLSQL, ETL and reporting. I focus on understanding the expected result, identifying the cause, and explaining the correction clearly.

SUPPORTED DATABASES

SQL Server, Oracle, MySQL or PostgreSQL, subject to the package and task.

PLEASE NOTE: Performance tuning, large scripts, stored procedures and complex database issues may require a custom offer. I do not guarantee results without suitable test data.

Ready to fix your query? Send me the SQL code, error message and expected result before ordering!