回答:delete t1From t1where id Not in (select Max(a.id) from t1 as a where t1. id=a. id group by a. name )
回答:可以的,想知道会不会用到索引直接在语句前加上explain 关键字执行下就知道了,我有发布过关于怎么建索引的文章你可以查看下就清楚了
回答:以oracle为例:SELECT * FROM(SELECT A.*, ROWNUM RNFROM (SELECT rs.student_id,count(1) FROM relationship rs group by rs.student_id order by count(1) desc) AWHERE ROWNUM = 0
问题描述:2022-12-01 14:49:28 [AsyncTask] Task Started: [usdp-slave1]初始化 Flink 配置文件TaskInfo:[ hostname: usdp-slave1, ipv4: ...
问题描述:usdp部署安装Prometheus失败,执行失败的安装任务如下:[失败] [node129]通过 Restful 重载 Prometheus 配置文件日志报错信息如下:2023-03-22 10:42:31 [AsyncTask] Task Started: [node129]通过 Restful 重载 Prometheus 配置文件TaskInfo:[ hostname: node...
...就依赖这个文件,官方给的样例文件: { version: 5.3.0, name: npm, description: a package manager for JavaScript, keywords: [ install, modules, package manager, package.json ], preferGlobal: true, config: { publishtes...
... #在Redis中设置值,默认不存在则创建,存在则修改 r.set(name, zhangsan) 参数: set(name, value, ex=None, px=None, nx=False, xx=False) ex,过期时间(秒) px,过期时间(毫秒) nx,如果设置为True,则只有name不存在时,当前...
ts中定义类 class Person{ name:string; //属性 前面省略了public关键词 constructor(n:string){ //构造函数 实例化类的时候触发的方法 this.name = n; } run():void{ alert(this.name); } } var p = new...
...引 切片 下面来详细介绍下 ~ capitalize 字符串首字母大写 name = xmzncc v = name.capitalize() print(v) casefold 将所有大写变小写(支持多种国家语言) name = Xmzncc v = name.casefold() print(v) lower 将大写变成小写(只支持英文) name = Xmzncc v = ...
...ata.js export function getStocks() { return [ { abbr: ADANIPORTS, name: Adani Ports & Special Economic Zone Ltd. }, { abbr: ASIANPAINT, name: Asian Paints Ltd. }, { abbr: AXISBANK, n...
...ata.js export function getStocks() { return [ { abbr: ADANIPORTS, name: Adani Ports & Special Economic Zone Ltd. }, { abbr: ASIANPAINT, name: Asian Paints Ltd. }, { abbr: AXISBANK, n...
...ata.js export function getStocks() { return [ { abbr: ADANIPORTS, name: Adani Ports & Special Economic Zone Ltd. }, { abbr: ASIANPAINT, name: Asian Paints Ltd. }, { abbr: AXISBANK, n...
增 增加一张表 CREATE TABLE `table_name`( ... )ENGINE=InnoDB DEFAULT CHARSET=utf8; 增加记录 INSERT INTO `your_table_name`(`column_name`) VALUES (your_value_one), (your_value_two); 增加字段 ALTER TABLE `your_tabl...
...el: { plugins: [ [ component, { libraryName: element-ui, styleLibraryName: theme-chalk } ] ] } }, } 修改plugins/element-ui.js import Vue from vue...
...ctRedis(host=localhost, port=6379, db=0, password=foobared) redis.set(name, Bob) print(redis.get(name)) 在这里我们传入了 Redis 的地址,运行端口,使用的数据库,密码信息。在默认不传的情况下,这四个参数分别为 localhost、6379、0、None。现在...
...lass Text implements Cloneable{ private int age; private Name name; public int getAge() { return age; } public void setAge(int age) { this.age = age; } public Name ...
ChatGPT和Sora等AI大模型应用,将AI大模型和算力需求的热度不断带上新的台阶。哪里可以获得...
大模型的训练用4090是不合适的,但推理(inference/serving)用4090不能说合适,...
图示为GPU性能排行榜,我们可以看到所有GPU的原始相关性能图表。同时根据训练、推理能力由高到低做了...