I will design your oracle database, erd, and write complex sql queries
Oracle Database and Backend Development Specialist
Informazioni su questo servizio
Are slow SQL queries, complex structures, or inefficient schemas bottlenecking your system?
A poorly optimized database can slow your entire application, costing time and money. Whether you need a relational database built from scratch or advanced query optimization for an existing system, I provide enterprise-grade Oracle solutions that scale.
I am a specialized Database Developer with extensive experience architecting robust, normalized databases. From designing schemas for supply chain and POS systems to writing transaction-safe PL/SQL triggers, I ensure peak performance.
My Expertise Includes:
- Database Design: Creating robust relational schemas.
- ERD: Conceptual, logical, and physical modeling.
- SQL/PL/SQL: Complex queries, procedures, and triggers.
- Normalization: Structuring data to BCNF.
- Query Optimization: Tuning slow queries for speed.
Why Choose Me?
- Strict adherence to clean code conventions.
- Thorough testing against sample data.
- Professional, clear communication.
Lets build your database. Message me before ordering to discuss your requirements!
Piattaforma:
MongoDB
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MySQL
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Oracle
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SQL server
Expertise:
Design
•
erd
•
Normalizzazione
•
Ottimizzazione query
Il mio portfolio
FAQ
Do you handle database structures for specific applications?
Yes, I have modeled complex transactional databases for various systems, ensuring robust backend data management.
Can you normalize my unorganized data?
Absolutely. I can take flat files or unnormalized tables and structure them into 1NF, 2NF, 3NF, or BCNF to ensure data integrity.
Do you write complex PL/SQL code?
Yes, I develop comprehensive PL/SQL scripts including stored procedures, functions, triggers, and cursors tailored to your transaction rules.
Can you optimize my existing slow SQL queries?
Yes, I analyze query execution plans, add necessary indexes, and refactor the SQL code to reduce execution time drastically.
What information do you need to start the Oracle database design?
I need your complete business requirements, any existing data models, and a clear description of the end goal of the database.

