than about 300 lines of code per developer and day, I would be tempted to let
Фото: Marcus Brandt / Globallookpress.com
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Same column, same operator, different plans. The planner uses a bitmap index scan for pending (1.5% rare enough to justify the index) and a sequential scan for delivered (95% being most of the table). The selectivity ratios from the MCV list drive the plan choice.
Kind of a crazy system, right? But if you consider that the people buying oodles and oodles of security chips are institutions like banks and governments, filled with non-technical managers whose primary focus is risk management, plus they are outsourcing the technical evaluation anyways – the status quo makes a little more sense. What’s a banker going to do with the source code of a chip, anyways?
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Выигравший Паралимпиаду российский лыжник поздравил со своей победой Путина14:50,详情可参考新收录的资料
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