When you do add an index to a table to cut the CPU cost and run time of a query, you want to get the most out of that new index as practically possible.
如果您的确要向一个表添加一个索引来削减查询的 CPU 成本和运行时间,您可能会想在实际情况允许的条件下尽可能多地利用那个新索引。
As Martin cut the cords of the express package and the half-dozen complimentary copies from the publishers spilled out on the table, a heavy sadness fell upon him.
快邮送来了包裹,马丁割断包裹绳,出版社赠送的那半打样书便散落到桌上。他不禁感到一种沉重的悲哀。
You wouldn't work out of the lunchroom, so the laptop on the kitchen table won't usually cut it.
因此,你不该在厨房办公,不该在餐桌上放置笔记本电脑。
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