Классный сайт для тренировки навыков SQL.
На сайте размещены задачи, которые решаются через базу данных больницы.
Уровни сложности разные — от простых запросов с SELECT до по-настоящему сложных.
Берём на вооружение для практики!
https://www.sql-practice.com/
@machinelearning_interview
BY Machine learning Interview
The S&P 500 slumped 1.8% on Monday and Tuesday, thanks to China Evergrande, the Chinese property company that looks like it is ready to default on its more-than $300 billion in debt. Cries of the next Lehman Brothers—or maybe the next Silverado?—echoed through the canyons of Wall Street as investors prepared for the worst.
Launched in 2013, Telegram allows users to broadcast messages to a following via “channels”, or create public and private groups that are simple for others to access. Users can also send and receive large data files, including text and zip files, directly via the app.The platform said it has more than 500m active users, and topped 1bn downloads in August, according to data from SensorTower.Machine learning Interview from vn