#посмотреть
▪️Схема базы данных
▪️Таблицы на схеме базы данных
▪️Столбцы таблиц и типы данных в них на схеме базы данных
▪️Связи между таблицами на схеме базы данных
▪️Типы связей между таблицами
▪️Примеры таблиц базы данных онлайн-школы
▪️Пример SQL запроса с JOIN для извлечения данных из таблиц онлайн-школы
▪️Пример использования схемы базы данных для объединения трех таблиц
BY SQL для тестировщика
For some time, Mr. Durov and a few dozen staffers had no fixed headquarters, but rather traveled the world, setting up shop in one city after another, he told the Journal in 2016. The company now has its operational base in Dubai, though it says it doesn’t keep servers there.Mr. Durov maintains a yearslong friendship from his VK days with actor and tech investor Jared Leto, with whom he shares an ascetic lifestyle that eschews meat and alcohol.
Tata Power whose core business is to generate, transmit and distribute electricity has made no money to investors in the last one decade. That is a big blunder considering it is one of the largest power generation companies in the country. One of the reasons is the company's huge debt levels which stood at ₹43,559 crore at the end of March 2021 compared to the company’s market capitalisation of ₹44,447 crore.
SQL для тестировщика from ye