I will design and manage a relational database schema and er diagram
Enterprise Software Architect, Technology Consultant
Over deze dienst
Looking for a reliable and experienced database expert to design, manage, and optimize your data systems? You're in the right place.
With over 25 years of hands-on experience managing complex database infrastructures for enterprise and public sector clients, I provide precise, scalable, and performance-oriented database services.
What I Offer:
- Database Design & Schema Architecture
- Normalization (1NF, 2NF, 3NF)
- Entity-Relationship (ER) Diagrams & UML Modeling
- Table Constraints (Primary/Foreign Keys, Unique, Indexes)
- Complex Queries, Joins, Aggregations
- DDL & DML Scripting (CREATE, ALTER, INSERT, UPDATE, DELETE)
- Data Import & Export (CSV, SQL scripts, external sources)
️ Tools & Platforms:
- Microsoft SQL Server (Expert)
- Microsoft Access (Expert)
- MySQL
- Oracle
- Firebase (Realtime & Firestore)
Whether you're building a new system or optimizing an existing one, I ensure clean structure, efficient queries, and long-term stability.
---
### Why Work With Me?
As the founder and manager of a leading software firm for 25+ years, I bring not only technical expertise but also operational discipline.
Platform:
db2
•
MS SQL
•
Oracle
•
SQL Server
Expertise:
Datastructuur
•
Design
•
Normalisatie
•
SQL
1 reviews van deze dienst
| (1) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Specificering van de beoordeling
- Communicatieniveau van de freelancer
- Aanbevelingswaardig
- Dienst zoals beschreven
Sorteer op
M 
mikewashy

Slowakije
Very professional, knows a huge amount of the area I requested. Was friendly, approachable and come back with some great ideas and solution. I would highly recommended.
Nuttig?
1 reviews van deze dienst
| (1) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Specificering van de beoordeling
- Communicatieniveau van de freelancer
- Aanbevelingswaardig
- Dienst zoals beschreven
Sorteer op
M 
mikewashy

Slowakije
Very professional, knows a huge amount of the area I requested. Was friendly, approachable and come back with some great ideas and solution. I would highly recommended.
Nuttig?

