I will write sql queries and create operational database reports
Over deze dienst
I provide practical SQL query and operational database reporting support for existing relational databases, including SQL Server, MySQL, MariaDB, and Microsoft Access.
This Gig is suitable for clients who need help writing, fixing, analyzing, or improving SQL queries used for reporting, data extraction, troubleshooting, and day-to-day operational needs.
Services may include:
- Writing SELECT queries, joins, filters, and aggregations
- Debugging incorrect or failing queries
- Query optimization
- Data extraction and transformation
- Multi-query operational reporting
- Reviewing table relationships and query logic
- Clear documentation and explanation of delivered queries
My focus is on practical, accurate, and maintainable solutions based on your existing database structure and reporting requirements.
For work involving live production systems, data changes, scheduling, or privileged database access, please contact me first so the scope can be reviewed before ordering.
Databasetype:
Relationele database
Platform:
mariadb
•
ms access
•
MySQL
•
SQL Server
Expertise:
SQL
•
DML
•
DQL
•
Query-optimalisatie

