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Fiverr Pro
Nederlands
$
USD
I will build sql queries, optimize database queries, sql database projects, and manage
Senior Data Analyst and SQL Database Optimization Specialist
Welcome! I am a dedicated Data Analyst with extensive experience transforming raw, complex data into actionable business insights and high-performance database solutions. Whether you need complex SQL ...
Over deze dienst
Are you struggling with slow SQL queries, database errors, or complex relational data logic? I offer professional SQL database services to help you write clean queries, reduce execution times, and complete your database projects efficiently.
With expertise across MySQL, PostgreSQL, SQLite, and Microsoft SQL Server, I handle everything from quick bug fixes to end-to-end database pipeline development.
Services
- Complex SQL Query Writing: Subqueries, CTEs, Window Functions, Multi-Table JOINs
- Database Query Optimization: Slow Queries, Indexing, Execution Plans, Server Performance Tuning
- Database Architecture & Schema Design: Table Creation, ERD Designs, Foreign Keys, Relational Constraints, Data Normalization
- ETL & Data Import/Export: Automated Data Insertion, Data Cleaning, Data Migration, ETL Pipelines
- Stored Procedures & Triggers: Stored Procedures, Database Triggers, Automation Logic, Custom Functions
Why Choose Me?
Fast & Reliable Delivery, High-quality work within deadlines
100% Satisfaction Guarantee. Revisions until you're happy
Databasetype:
Relationele database
Platform:
MySQL
•
PostgreSQL
•
SQLite
•
SQL Server
Expertise:
SQL
•
DML
•
DQL
•
Query-optimalisatie
Mijn portfolio
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Great Work!
US$ 50
Prijs
2 dagen
Looptijd
S 
Reactie van de freelancer
Nuttig?I isabellaespiti
Verenigde Staten
Thank you, Great work.
US$ 50
Prijs
2 dagen
Looptijd
S Reactie van de freelancer
Nuttig?H 
herberta32
Verenigde Staten
Absolutely thrilled with the Excel dashboard developed for our team! What truly sets it apart is its seamless integration of complex data into a visually captivating and easy-to-navigate interface. Highly recommend their services for anyone seeking a dynamic and efficient solution for data visualization and analysis.
US$ 50
Prijs
1 dag
Looptijd
S Reactie van de freelancer
Nuttig?
Reviews
3 reviews van deze dienst
| (3) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Specificering van de beoordeling
- Communicatieniveau van de freelancer
- Kwaliteit van de levering
- Waarde van de levering
Sorteer op
Meest relevant
D derrenkelley
Verenigde Staten
Great Work!
US$ 50
Prijs
2 dagen
Looptijd
S Reactie van de freelancer
Nuttig?I isabellaespiti
Verenigde Staten
Thank you, Great work.
US$ 50
Prijs
2 dagen
Looptijd
S Reactie van de freelancer
Nuttig?H herberta32
Verenigde Staten
Absolutely thrilled with the Excel dashboard developed for our team! What truly sets it apart is its seamless integration of complex data into a visually captivating and easy-to-navigate interface. Highly recommend their services for anyone seeking a dynamic and efficient solution for data visualization and analysis.
US$ 50
Prijs
1 dag
Looptijd
S Reactie van de freelancer
Nuttig?
