Вводный курс: содержит основы SQL и будет полезен начинающим изучение.
▫️Урок 1. Что такое SQL? Установка локального сервера.
▫️Урок 2. Создание БД, таблиц и работа с ними.
▫️Урок 3. Добавление и обновление записей в БД.
▫️Урок 4. Удаление данных из БД.
▫️Урок 5. Выборка данных из БД. Where, Order, Limit.
▫️Урок 6. Создание индексов и работа с ними.
▫️Урок 7. Объединение данных.
▫️Урок 8. Псевдонимы, функции и Group By
BY SQL для тестировщика
Pinterest (PINS) closed at $71.75 in the latest trading session, marking a -0.18% move from the prior day. This change lagged the S&P 500's daily gain of 0.1%. Meanwhile, the Dow gained 0.9%, and the Nasdaq, a tech-heavy index, lost 0.59%. Heading into today, shares of the digital pinboard and shopping tool company had lost 17.41% over the past month, lagging the Computer and Technology sector's loss of 5.38% and the S&P 500's gain of 0.71% in that time. Investors will be hoping for strength from PINS as it approaches its next earnings release. The company is expected to report EPS of $0.07, up 170% from the prior-year quarter. Our most recent consensus estimate is calling for quarterly revenue of $467.87 million, up 72.05% from the year-ago period.
Traders also expressed uncertainty about the situation with China Evergrande, as the indebted property company has not provided clarification about a key interest payment.In economic news, the Commerce Department reported an unexpected increase in U.S. new home sales in August.Crude oil prices climbed Friday and front-month WTI oil futures contracts saw gains for a fifth straight week amid tighter supplies. West Texas Intermediate Crude oil futures for November rose $0.68 or 0.9 percent at 73.98 a barrel. WTI Crude futures gained 2.8 percent for the week.
SQL для тестировщика from nl