Многоуровневая группировка в SQL: Grouping sets
#почитать #middle
В своей работе я столкнулся с задачей вывода результата запроса с уже сформированными общими и промежуточными итогами по разным полям и решить ее мне помогла группировка с использованием Grouping Sets.
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BY SQL для тестировщика
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.
The messaging service and social-media platform owes creditors roughly $700 million by the end of April, according to people briefed on the company’s plans and loan documents viewed by The Wall Street Journal. At the same time, Telegram Group Inc. must cover rising equipment and bandwidth expenses because of its rapid growth, despite going years without attempting to generate revenue.
SQL для тестировщика from ar