1. Join the table to itself on the email column. 2. Delete rows where the id is greater than the smallest id for the same email. 3. This ensures only one row per email remains.

1. Start with a letter. 2. Contain only letters, digits, underscore '_', period '.', or dash '-' before '@'. 3. Have the domain '@leetcode.com'. Return the result table in any order. Approach / ...

SailGP's Los Gallos bought by Atletico Madrid investor Quantum Pacific Spain's Los Gallos, who are led by Olympic sailing champions Diego Botin and Florian Trittel, have been sold to investment group ...