I will write, fix and optimize sql queries

Primoz

Slovenia

I speak English, Slovenian, Croatian

Excel SQL VBA PowerShell

Hello! I'm an IT specialist with hands-on experience in SQL Server, PowerShell automation, Excel optimization, VBA development, and business process optimization. My focus is on creating practical, r...
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About this Gig

Need help with SQL queries or database issues?


I can write, fix, debug and optimize SQL queries for your project. Whether you need a simple SELECT statement or a complex query with multiple JOINs, CTEs and aggregations, I'll provide a clean, efficient and reliable solution.


I can help with:


  1. Writing SQL queries
  2. Fixing SQL errors
  3. Query optimization
  4. Performance tuning
  5. SELECT, INSERT, UPDATE & DELETE
  6. JOINs
  7. GROUP BY & HAVING
  8. Common Table Expressions (CTEs)
  9. Window Functions
  10. Views
  11. Stored Procedures
  12. Data analysis and reporting
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write, fix and optimize sql queries
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write, fix and optimize sql queries

Database type:

Centralized database

Platform:

SQLite

•

SQL Server

Expertise:

SQL

•

Query optimization

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