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Sobre mim
I am a Computer Science graduate specializing in SQL and database management.
I can help you with SQL queries, Oracle SQL, database operations, joins, subqueries, GROUP BY, HAVING, aggregate functions, and data retrieval.
My services include:
- Writing and optimizing SQL queries
- Solving SQL errors and debugging queries
- Creating tables and applying constraints
- Writing joins and subqueries
- Performing data filtering, sorting, and aggregation
- Helping with database design and basic data analysis
I focus on accuracy, clear communication, and delivering work on time.... Saiba mais