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English
$
USD
I will design and optimize sql, mongodb, or neo4j databases
Verstile Freelancer, Tech and Creative Assistant
Hellom I'm Yevhen!
I am a versatile and detail-oriented freelancer currently studying Computer Science. I enjoy combining technical logic with a creative approach to help clients solve various tasks.
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About this Gig
Are you looking for an expert to design a scalable, efficient, and well-structured database for your application? Look no further!
I provide professional database design, querying, and optimization services tailored to your project's specific needs. Whether you need a classic relational setup, a flexible NoSQL solution, or a complex graph architecture to analyze relationships, Ive got you covered.
What I can do for you:
- Relational Databases (SQL): Schema design, table creation, normalization, complex joins, and query optimization.
- NoSQL Databases (MongoDB): Document architecture, collections setup, indexing, and aggregation pipelines.
- Graph Databases (Neo4j): Nodes and relationships modeling, Cypher query writing, and graph data analysis.
- Local Environment Setup: Configuring local servers (like XAMPP) for testing and verification.
Why choose this gig?
- Clean, structured, and fully optimized database architectures.
- Detailed English comments explaining the structure or complex queries.
- Fast communication and delivery strictly on deadline.
Please drop me a message before placing an order to discuss your database requirements!
Platform:
MariaDB
•
MongoDB
•
MySQL
•
Neo4J
•
SQLite
Expertise:
Design
•
ERD
•
Normalization
•
SQL
•
NoSQL
FAQ
Do you only design the database, or can you write complex queries too?
I do both! In addition to structuring and normalizing your database (SQL, MongoDB, or Neo4j), I can write complex, optimized queries, aggregations, and Cypher queries to ensure you get the exact data outputs you need.
I have an Excel/CSV file with data. Can you import it into the new database?
Yes, absolutely. If you select the Premium package (or add the "Import/export data" extra), I can parse and migrate your existing datasets directly into the structured tables or collections.
Which database is better for my project: SQL, MongoDB, or Neo4j?
It depends on your data! If your data is highly structured with clear relationships, SQL is best. If it's flexible, MongoDB is ideal. If your app relies heavily on analyzing complex connections (like a social network), Neo4j is the way to go. Just message me and I will help you choose!
Will I get the visual schema (ERD) of the database?
Yes! An Entity-Relationship Diagram (ERD) or a graph data model is included by default in the Standard and Premium packages, providing you with a clear visual map of how your data is structured and connected.
