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I will fix and optimize your sql queries expert help
Software Engineer Specialized In BI and Big DATA and SAP HANA Expert
Technical Support Engineer with 4 years of experience troubleshooting complex production systems in enterprise environments. Specialized in root cause analysis, distributed systems, and cloud-based ar...
Informazioni su questo servizio
Are your SQL queries slow, broken, or just not returning the right results?
Whether you're dealing with syntax errors, inefficient JOINs, or queries that take forever to run I'll fix, rewrite, and optimize them fast.
What I handle:
- Syntax and logic errors
- Slow queries & performance bottlenecks
- Complex JOINs, subqueries, CTEs, window functions
- NULL handling and data type mismatches
- Stored procedures, triggers, and views
Works with: MySQL · PostgreSQL · SQL Server · SAP HANA · Oracle · SQLite
How it works:
- Share your query, schema, or error message
- I diagnose and deliver a clean, working solution
- You get a clear explanation no black boxes
Not sure if your case fits? Message me before ordering.
Piattaforma:
MS SQL
•
MySQL
•
PL/SQL
Expertise:
SQL
FAQ
What do you need to start?
I need your query, database type, and a clear description of the issue or requirement.
Can you optimize slow queries?
Yes, I specialize in identifying bottlenecks and improving query performance.
Do you work with large databases?
Yes, I can handle large datasets and optimize performance efficiently.
Can you design a database from scratch?
Yes, I can create optimized database schemas based on your requirements.
Do you explain your work?
Yes, I provide clear explanations so you understand the solution.
Can you fix errors in stored procedures or views?
Yes, I can debug and fix issues in procedures, functions, and views.
Is my data safe and kept confidential?
Absolutely. Any queries, schemas, or data you share are used strictly to complete your order and never stored, shared, or reused. I treat all client information as confidential.
Recensioni
1 recensioni per questo servizio
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Valutazione dettagliata
- Livello di comunicazione del venditore
- Qualità della consegna
- Valore della consegna
Ordina per
Più rilevante
E 
ekbel_chelbi
Tunisia
Badreddine did an outstanding job optimizing my SQL query. He quickly identified the performance bottlenecks and provided a clean, efficient solution with a clear explanation of the improvements.
Fino a 50 USD
$
1 giorno
Tempo
Utile?
Recensioni
1 recensioni per questo servizio
| (1) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Valutazione dettagliata
- Livello di comunicazione del venditore
- Qualità della consegna
- Valore della consegna
Ordina per
Più rilevante
E ekbel_chelbi
Tunisia
Badreddine did an outstanding job optimizing my SQL query. He quickly identified the performance bottlenecks and provided a clean, efficient solution with a clear explanation of the improvements.
Fino a 50 USD
$
1 giorno
Tempo
Utile?
