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$
USD
letertes
@sql_database_d
helper
Moldova
English, Romanian
About me
I am a beginner SQL developer with a strong understanding of core database concepts and data analysis. I specialize in writing clear and efficient SQL queries using SELECT, WHERE, GROUP BY, HAVING, and aggregation functions such as COUNT, SUM, and AVG.
I can help you with:
- Writing SQL queries for data extraction
- Fixing and debugging SQL errors
- Filtering, sorting, and organizing data
- Creating simple reports using SQL
- Assisting with SQL homework or beginner-level projects
letertes
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See my services
SQL & NoSQL Queries
I will write and fix sql queries for your database
