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Fiverr Pro
Deutsch
$
USD
I will write sql queries, fix errors, design erd diagrams
Junior SQL Developer , Junior Data Analyst , Power BI , SQL
I am a motivated Data Analyst / SQL Developer with hands-on experience in designing real-world database systems, writing analytics-driven SQL queries, and building dashboards that transform raw data i...
Über diesen Service
I specialize in cleaning, structuring, and analyzing datasets to help businesses make better decisions.
Whether your data is messy, inconsistent, duplicated, or incomplete I will fix it and deliver a ready-to-use dataset.
Plattform:
mySQL
•
Oracle
•
PostgreSQL
•
SQL Server
Expertise:
SQL
•
NoSQL
•
ER-Diagramme
•
Abfragenoptimierung
Mein Portfolio
FAQ
🔥 Services I offer:
✔ Remove duplicates ✔ Handle missing values ✔ Fix formatting issues ✔ Standardize columns ✔ Merge datasets ✔ Build summary reports ✔ Excel dashboards ✔ Power BI dashboards ✔ Data modeling & insights
What tools do I use?
Excel Power BI SQL Power Query
Q: What file types do you support?
Excel, CSV, SQL, JSON.
Q: Can you build dashboards?
Yes, Excel or Power BI dashboards included in Premium.
Q: Is my data confidential?
100%. I never share or reuse any data.
