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I will write for you simple or complex sql queries

Karvounakis

Greece

I speak English, Greek
Professional Database Administrator with 4 years of experience in Oracle, MySQL, PostgreSQL, MS SQL Server, and MongoDB. Strong background in SQL/PL SQL development, cloud (OCI, Azure), and Linux/Wind...
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About this Gig

Need help writing SQL queries but don't want to waste hours figuring it out?

I can help you create clear, efficient, and reliable SQL queries tailored to your database.


What I Offer:

  • SELECT, INSERT, UPDATE, DELETE queries
  • JOINs (inner, outer, cross, self)
  • Filtering (WHERE, HAVING, GROUP BY, ORDER BY)
  • Aggregate functions (COUNT, SUM, AVG, MIN, MAX)
  • Data export queries
  • Queries for MySQL, Oracle, PostgreSQL, SQL Server and other RDBMS


‍ Why Choose Me?

  • Professional Database Administrator with 4 years of hands-on SQL experience
  • Clean, optimized, and well-commented queries
  • Fast delivery + clear communication
  • Free consultation before you order (to ensure I understand your request)


Whether you're managing a small dataset or need help fetching the right business insights, Ill make sure your queries run smoothly.

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write for you simple or complex sql queries
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write for you simple or complex sql queries

Database type:

Relational database

Platform:

Db2

•

MySQL

•

Oracle

•

SQL Server

Expertise:

SQL

•

DDL

•

DML

•

Query optimization

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