I will write, fix and optimize sql queries for data analysis

I can help you write SQL queries based on your requirements, including SELECT, WHERE, GROUP BY, HAVING, ORDER BY, INNER JOIN, LEFT JOIN and other JOIN queries. I can also work with aggregate functions such as COUNT, SUM, AVG, MIN and MAX, along with data filtering, sorting, basic data cleaning and basic data analysis using SQL. I can review existing queries, identify errors, fix incorrect logic and provide accurate solutions. I focus on clean, readable and easy-to-understand SQL with beginner-friendly communication and attention to detail. You can share your table structure, sample data, required output or existing query, and I will create a practical solution according to your requirements. I can also explain the query when required, helping you understand how the solution works. My goal is to provide accurate, simple and reliable SQL solutions with quick delivery and clear communication. I can assist with small SQL tasks as well as multiple-query requirements. Whether you need a query for a project, assignment, practice task, report, or existing database requirement, I will carefully understand your needs before preparing the solution. I will make sure the queries are structured