Dear Hiring Manager,
I am writing to express my interest in the position of SQL Developer, I am confident that I can contribute to the success of your projects and ensure accurate and efficient data analysis.
In my previous role, I was responsible for developing and maintaining databases, optimizing queries, and ensuring data integrity. I have a strong understanding of SQL language and database management principles, which has allowed me to efficiently handle complex data structures and large datasets. I have experience in working with various database platforms and tools, including MySQL, Excel, etc
During my career, I have successfully completed numerous projects involving data analytics and database management. I have a deep understanding of databases and the challenges they present. I am skilled in writing efficient and optimized code, which allows for quick processing of data and accurate analysis. My attention to detail ensures that the code I develop is error-free and meets the exact requirements of the project.
please find below Query for your example problem
SELECT COUNT(*) AS num_stakers
FROM stakers
WHERE timestamp >= DATE_SUB(NOW(), INTERVAL 30 DAY);
Note - Assuming you have a table named "stakers" with a column "timestamp" that holds the date and time of staking events
I would appreciate the opportunity to discuss how my skills align with the needs of your organization in more detail. Thank you for considering my application.
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Sincerely,