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Fiverr Pro
Nederlands
$
USD
I will write sql queries and analyze your database
Over deze dienst
I will write SQL queries, fix database issues, and analyze your data to deliver clear and meaningful insights.
I specialize in SQL (MySQL, PostgreSQL, MS SQL Server) and help you extract, clean, and understand your data efficiently.
What I offer:
- SQL queries (SELECT, JOIN, WHERE, GROUP BY)
- Data extraction & cleaning
- Debugging SQL errors
- Data analysis & insights
- Query optimization
I focus on delivering accurate, well-structured, and efficient SQL solutions to help you make better business decisions.
Please contact me before placing an order to discuss your requirements.
Platform:
MySQL
•
PostgreSQL
•
SQLite
Expertise:
SQL
•
DML
•
DQL
•
Query-optimalisatie
Mijn portfolio
Veelgestelde vragen
Q1: What do you need to start the work?
I need your dataset, database access (if available), and clear instructions about what you want to achieve.
Q2: Which databases do you work with?
I work with MySQL, PostgreSQL, and MS SQL Server
Q3: Can you fix or debug SQL queries?
Yes, I can fix errors and debug SQL queries efficiently.
Q4: Do you provide optimized SQL queries?
Yes, I can optimize queries for better performance and speed.
Q5: Do you handle large datasets?
Yes, I can work with both small and large datasets depending on project requirements.
Q6: Will you explain the queries you write?
Yes, I can provide explanations if needed so you understand the logic behind the queries.
