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How to get the max of two values in MySQL?

... This is why I honestly hate MySQL. What a tremendous amount of work to do such a simple thing. – Monica Heddneck Aug 2 '17 at 23:51 9...
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MySQL: Transactions vs Locking Tables

....org/wiki/ACID, en.wikipedia.org/wiki/Isolation_(database_systems) and dev.mysql.com/doc/refman/5.1/en/… – Nikola Svitlica Sep 6 '15 at 21:52 ...
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Why would you use Oracle database? [closed]

...acle database versus the latest flavors of: 1) Microsoft SQL Server 2) MySQL 3) PostgreSQL 6 Answers ...
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MySQL Select Date Equal to Today

I'm trying to run a mysql select statement where it looks at today's date and only returns results that signed up on that current day. I've currently tried the following, but it doesn't seem to work. ...
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乐高 EV3 实验01 - 连上机器人,让马达转起来 · App Inventor 2 中文网

...节,App 里看到的只是已配对列表 配对时提示密码错误 EV3 默认配对码是 1234 连接返回 false ① EV3 已被别的设备连着(EV3 上断开所有连接);② EV3 蓝牙没开或不可见;③ 距离太远 连...
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Notifier 通知扩展:功能强大的Android通知管理工具,支持通知通道、意图、...

...以错误的值触发。因此,您需要非常仔细地考虑应用程序如何与通知交互。 如果使用Notification打开应用程序的Screen或将其带到前台,如果Screen是新创建的,则在Screen中触发 Screen.Initialize 事件。Screen的字段被赋予默认值。如果Scr...
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MySQL: how to get the difference between two timestamps in seconds

Is there a way I can make a query in MySQL that will give me the difference between two timestamps in seconds, or would I need to do that in PHP? And if so, how would I go about doing that? ...
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MySQL WHERE: how to write “!=” or “not equals”?

...ered Jul 10 '12 at 20:53 RolandoMySQLDBARolandoMySQLDBA 40.6k1515 gold badges8181 silver badges124124 bronze badges ...
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SQL/mysql - Select distinct/UNIQUE but return all columns?

...ause the behavior on the other columns is unspecified. (The first works in MySQL, if that's what you're using.) You could fetch the distinct fields and stick to picking a single arbitrary row each time. On some platforms (e.g. PostgreSQL, Oracle, T-SQL) this can be done directly using window funct...
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MySQL - why not index every field?

... The link is for MS SQL Server; this question is for MySQL – OMG Ponies Mar 26 '11 at 23:38 6 ...