I will fix mysql postgresql mongodb database errors and queries

A database error can interrupt your entire workflow. I help you investigate the cause and correct a clearly defined query or database-related issue.

I'm Raphael from Smart Experiences in Germany. This service focuses on troubleshooting existing MySQL, PostgreSQL, SQL Server and MongoDB queries.

Typical issues include:

- Syntax errors and broken joins

- Incorrect or missing query results

- Failing MongoDB aggregations

- Query errors within a web application

- Problems that can be reproduced with a schema and sample data

You receive the agreed correction, a clear explanation and instructions for checking the result. We define the affected query or issue before the order starts.

Please message me with the database engine/version, error message, relevant code, schema and expected result. Anonymized sample data is preferred. Production changes and remote access require a separate agreement; keep a current backup before applying changes.

New reporting queries, performance reviews, migrations, disaster recovery and ongoing support are separate scopes. For query creation or optimization, use my other database service. Communication is available in German and English.