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 lead from Wall Street offers little clarity as the major averages opened lower on Friday and then bounced back and forth across the unchanged line, finally finishing mixed and little changed.The Dow added 33.18 points or 0.10 percent to finish at 34,798.00, while the NASDAQ eased 4.54 points or 0.03 percent to close at 15,047.70 and the S&P 500 rose 6.50 points or 0.15 percent to end at 4,455.48. For the week, the Dow rose 0.6 percent, the NASDAQ added 0.1 percent and the S&P gained 0.5 percent.The lackluster performance on Wall Street came on uncertainty about the outlook for the markets following recent volatility.
Machine learning Interview from ar