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Configuring the experimental environment Because my computer does not have enough storage space to bear the cost of installing a virtual machine, I applied for a cloud server on Ali Cloud for this experiment. The server configuration is as follows: 1 Core - 2GB Memory - 40GB System Disk Operating System: Ubuntu 18.04 Modify Ubuntu So ...

2, mysql installation and startup 1. How to install mysql 1.RPM, Yum: easy to install, fast to install, unable to customize 2. Binary: it does not need to be installed, can be used after decompression, and cannot be customized 3. Compile and install: customizable, slow to install. Before 5.5:. / configure make make install After 5.5: cmakegm ...

Catalog Preface DDL DCL DML 1. Management database of DDL statements 1.1. Create database 1.2. Display database 1.3. Switch database 1.4. View the table information contained in the database 1.4.1. Switch to database to view table information 1.4.2. View the table information outside the library 1.5. Delete database 2. Manage users of ...

mysql is installed by decompressing the installation mode, so that we can install the version we want. The advantage of this installation mode is that I can install it wherever I want. It's easy and pleasant. The installation method of this device is similar to that of jdk, that is, decompressing, and then configuring permissions, services, ...

Note: the content of the article originated from the network and was obtained through our own experiment; however, the reference article address was not recorded at that time. If you find any infringement problem, please leave a message. ~~When the partition is MySQL version 5.1, support for partition has been added.The process of partitionin ...

The theoretical basis of Distributed Service Tracking in the industry today comes mainly from Google's paper "Dapper, a Large-Scale Distributed Systems Tracing Infrastructure". The most widely used open source implementation is Zipkin of Twitter. To achieve platform-independent, vendor-independent distributed service tracing, CNCF rel ...

When using the ETL tool Kettle, in order to make the job or transformation universal, sometimes we need to separate the connection configuration of the database from the script or transformation. Here is a scheme, which mainly involves the following files: # By default, these two files are in the user directory of the system. If you configure t ...

* Hadoop Ecosphere-Ranger Data Security Management Framework Author: Yin Zhengjie Copyright Statement: Original work, decline to reprint!Otherwise, legal liability will be pursued.   　　   Introduction to Ranger Apache Ranger is a data security management framework designed to fully understand the Hadoop ecosystem.It provides a unified ...

IX. Interim Framework LNMP Chapter (1) Description of the LNMP architecture 1) Concatenate front-end web services with back-end storage services 2) Mainly implements handling PHP program dynamic requests (2) How the LNMP architecture works L Linux N nginx M mysql P php (3) LNMP Architecture Deployment 1) Install LNMP related software 1. ...

Specify the encoding format on the jsp page to ensure that it is consistent with the character set of mysql: <%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%> <%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%> Step 1: make sure the project code is UTF-8 Step 2: ma ...