I'd really like to know why a query using hard coded device_ids can use the index, but using a subquery doesn't: E.g. Hardcoding uses the index: DELETE FROM device_data WHERE device_id in (1,2,3...1000) AND timestamp <= CURDATE() - INTERVAL 1 YEAR LIMIT 10000; ...
#Rain[超话]# WHY DON'T WE (Feat.CHUNG HA#金请夏[超话]# ) - 官方MV 舞王舞后联合舞曲、舞舞舞! http://t.cn/A6tCDqAz
why don't和why not的区别：中文含义不同、句子结构不同、时态变化不同。why don't是指惋惜甚至责怪别人没有做某件事的意思，有时态的变化，后加主语再加动词；why not则是表达一种建议，没有时态变化，后面直接加动词。一、why don't的中文释义及用法介绍 1、中文释义：why don't意为为什么不...
Why Can't I Fly?作者: Sharon Cornwell ISBN: 9780431061542 豆瓣评分 目前无人评价 评价: 写笔记 写书评 加入购书单 分享到 推荐 我来说两句 短评 ··· 热门 还没人写过短评呢 我要写书评 Why Can't I Fly?的书评 ··· ( 全部0 条 ) 论坛 ··· 在这本书的论坛里发言 ...
Internal Medicine JournalWhy can't I prescribe that antibiotic? The role of antimicrobial stewardship programmes in modern medicine. Internal Medicine Journal 39 :10.1111/imj.2009.39.issue-10, 636-638 /Hayashi Y, Davis L, Paterson DL. Why can't I prescribe that antibiotic? The role of ...
@英语知识问答why not和why don't的区别 英语知识问答 “why not”和“why don't”在英语中都是常见的表达,但它们在语法结构和常用语境上有所不同。 语法结构: “why not”后面通常直接跟动词原形,表示建议或询问原因。例如:“Why not go for a walk?”(为什么不去散步呢?) “why don't”后面则...
Why don't you__(write) an e-mail to her?横线上填什么,亲! 扫码下载作业帮搜索答疑一搜即得 答案解析 查看更多优质解析 解答一 举报 原型write 采纳噢~ 解析看不懂?免费查看同类题视频解析查看解答 更多答案(2) 特别推荐 热点考点 2022年中考真题试卷汇总 2022年初中期中试卷汇总 2022年初中期末试卷汇总...
I hadn't belive ya. 预警:本节使用java的JFrame为例子,请对该场景不适的同学退场。 源码地址:https://github.com/Paladinhanxiao/Game-algorithm-demo JFrame import javax.swing.*; import java.awt.*; public class Main { public static void main(String[] args) {...
Re: Why can't MySQL use a range over a Clustered Primary Key Paul Dugdale January 20, 2022 11:56AM Re: Why can't MySQL use a range over a Clustered Primary Key Peter Brawley January 20, 2022 08:45PM Sorry, you can't reply to this topic. It has been closed....
And btw, spaces and other illegal chars in MySQL database identifier names are error opportunities; don't use them. Likewise Hungarian notation style capitalisation of MySQL identifier names... it opens yet more error opportunities. Sorry, you can't reply to this topic. It has been closed. ...