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,想知道會不會用到索引直接在語句前加上explain 關鍵字執行下就知道了,我有發布過關于怎么建索引的文章你可以查看下就清楚了
回答:以oracle為例: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
問題描述:2022-12-01 14:49:28 [AsyncTask] Task Started: [usdp-slave1]初始化 Flink 配置文件TaskInfo:[ hostname: usdp-slave1, ipv4: ...
問題描述:usdp部署安裝Prometheus失敗,執行失敗的安裝任務如下:[失敗] [node129]通過 Restful 重載 Prometheus 配置文件日志報錯信息如下:2023-03-22 10:42:31 [AsyncTask] Task Started: [node129]通過 Restful 重載 Prometheus 配置文件TaskInfo:[ hostname: node...
...就依賴這個文件,官方給的樣例文件: { 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中設置值,默認不存在則創建,存在則修改 r.set(name, zhangsan) 參數: set(name, value, ex=None, px=None, nx=False, xx=False) ex,過期時間(秒) px,過期時間(毫秒) nx,如果設置為True,則只有name不存在時,當前...
ts中定義類 class Person{ name:string; //屬性 前面省略了public關鍵詞 constructor(n:string){ //構造函數 實例化類的時候觸發的方法 this.name = n; } run():void{ alert(this.name); } } var p = new...
...引 切片 下面來詳細介紹下 ~ capitalize 字符串首字母大寫 name = xmzncc v = name.capitalize() print(v) casefold 將所有大寫變小寫(支持多種國家語言) name = Xmzncc v = name.casefold() print(v) lower 將大寫變成小寫(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 增加一張表 CREATE TABLE `table_name`( ... )ENGINE=InnoDB DEFAULT CHARSET=utf8; 增加記錄 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)) 在這里我們傳入了 Redis 的地址,運行端口,使用的數據庫,密碼信息。在默認不傳的情況下,這四個參數分別為 localhost、6379、0、None。現在...
...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大模型應用,將AI大模型和算力需求的熱度不斷帶上新的臺階。哪里可以獲得...
大模型的訓練用4090是不合適的,但推理(inference/serving)用4090不能說合適,...
圖示為GPU性能排行榜,我們可以看到所有GPU的原始相關性能圖表。同時根據訓練、推理能力由高到低做了...