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In previous projects, resource files such as pictures and voice were directly uploaded to the server, and then processed and stored by the server. In this recent project, the server opens the OSS directly, and then the client uses it directly Alibaba cloud Provide upload and download functions to upload and download resources.Alibaba cloud The ...

1, Course final release information display - back end 1. Entity class - used to encapsulate the data displayed on the page @ApiModel(value = "Course final release") @Data public class CoursePublishVo implements Serializable { private static final long serialVersionUID = 1L; //Course title private String title; //Course cover ...

Download scripts for creating tables and inserting data Here, for your convenience, the data script has been prepared for you. Click the link below to download directly Create data table script: http://tianchi-media.oss-cn-beijing.aliyuncs.com/dragonball/SQL/create_table.sql Insert data script: http://tianchi-media.oss-cn-beijing.aliyuncs.com/ ...

catalogue 1, First knowledge database 1.1 types of DBMS 1.2 common system structure of RDBMS 1.3 database installation 1.3.1 introduction to Alibaba cloud MySQL server 1.3.2 introduction to building local MySQL environment 2, First knowledge of SQL 2.1 concept introduction 2.2 basic writing rules of SQL 2.3 creation of database (CREATE DATABASE ...

Table of Contentsbackground knowledgeArchitectural Evolution in the Big Data AgeRocketMQ Connector&StreamApache HudiBuilding Lakehouse PracticesThe title of this article contains three keywords: Lakehouse, RocketMQ, Hudi. We start with the overall Lakehouse architecture, and then step by step analyze the causes of the architecture, the char ...

Alibaba cloud OSS (Object Storage Service) is a massive, safe, low-cost and highly reliable cloud storage service, which is suitable for storing any type of files. In practical application development, it can be conveniently used for image management, file management, etc., and provide image access and file download ser ...

Chapter 1 Configuring the esp-idf Development Environment Link to the official esp32 Programming Guide The author uses esp32 development board Step 0 Brainless Copy Configuration Ubuntu System Selection When choosing a Ubuntu system, try to choose Ubuntu version 14 or higher. Because some of the tools in Lexin's official SDK are implemente ...

Hello, I'm Chen Zefeng. I'm responsible for Flow pipeline arrangement and task scheduling engine in Yunxiao. Under the cloud effect product system, we have served enterprise users with various R & D scales and technical depth, and received a lot of user feedback. For users who use Flow to build on the cloud, the construction speed is a key ...

💝 Today, we will introduce some features of MaxComputer, a big data engine, and MaxComputer SQL. Students interested in hive sql can view the following contents 👇: Part I: Import and export of Hive data of Hadoop (DML).Part II: Hive query statement of Hadoop.Part III: Seven Join statements of Hive in Hadoop.Part IV: Ranking of Hive in Hadoo ...

Author: Ling ran In the actual business scenario, pressure testing is an essential part. Whether it is the evaluation of performance bottlenecks such as servers, databases and networks, the business continuity guarantee of important traffic nodes such as browsing, ordering and payment, or the estimation of the overall business stability of the ...