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🌐 SQL: история, теория и практика

Плейлист с подробным разбором SQL — языка, знание которого нужно практически всем тестировщикам. Более 15 часов видео.

◽️Часть 1.1 История возникновения
◽️Часть 1.2 Нормализация
◽️Часть 1.3 Проектирование схемы данных
◽️Часть 2.1 Операторы и практика работы с запросами
◽️Часть 2.2 Практика работы с запросами
◽️Часть 3.1 Вложенные запросы
◽️Часть 3.2 Вложенные запросы
◽️Часть 4.1 Приемы анализа и оптимизации запросов
◽️Часть 5.1 Дополнительные средства некоторых баз данных
◽️Часть 5.2 Дополнительные средства некоторых баз данных

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SQL для тестировщика Telegram | DID YOU KNOW?

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The seemingly negative pandemic effects and resource/product shortages are encouraging and allowing organizations to innovate and change.The news of cash-rich organizations getting ready for the post-Covid growth economy is a sign of more than capital spending plans. Cash provides a cushion for risk-taking and a tool for growth.

Pinterest (PINS) Stock Sinks As Market Gains

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.

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