V2EX 516654246
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516654246

516654246

V2EX 第 30036 号会员,加入于 2012-11-27 21:21:37 +08:00
516654246 最近回复了
2017-02-17 19:18:37 +08:00
回复了 HannibaI 创建的主题 Apple 你激光镌刻了什么内容在你的 Apple 设备上?
Face the world alone
查询时偶尔也会这样写。为了调试...
select xx from table where
a=x?
and b=y?
我如果调试不要过滤条件是不是把 2 、 3 行干掉还得去把 where 删掉?
我如果加了 1=1...
至于性能...?和强迫症
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