I will write, fix, or optimize sql server queries

Marcelo PRR

Brazil

I speak English, Portuguese

Software Developer AND Database Optimization

I am a Senior Software Engineer specialized in C#, .NET, SQL Server, REST APIs, bug fixing, and backend performance improvements. I have 20+ years of experience building, maintaining, and troubleshoo...
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About this Gig

I will help you write, fix, or improve SQL Server queries, stored procedures, and database-related issues.

I have strong experience working with SQL Server in enterprise systems, including financial platforms with high-volume data processing. I can help with query errors, performance problems, joins, stored procedures, data extraction, and backend database issues.

I can help with:

  • SQL query writing
  • Query bug fixing
  • Stored procedure fixes
  • Performance review
  • Joins and filters
  • Data extraction
  • Backend database troubleshooting

Please send the query, table structure if possible, sample data if available, and the result you expect.

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write, fix, or optimize sql server queries
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write, fix, or optimize sql server queries

Database type:

Distributed database

•

Key-value database

+2 more

Platform:

MongoDB

•

MySQL

•

PostgreSQL

•

SQL Server

Expertise:

SQL

•

NoSQL

•

Performance

•

Query optimization

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