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  What is the method of generating a unique order number with high concurrency in MySQL

  This article mainly introduces what is the method of generating a unique order number with high concurrency in MySQL, which has certain reference value and can be used for reference by friends who need it. I hope you will learn a lot after reading this article. Next, let the editor take you to learn about it. The scene is reproduced in an erp purchase, sale and storage system.

  2022-06-01 04:17:00 Views: 230
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  What does database application system mean?

  What does database application system mean? This problem may be often seen in our daily study or work. I hope you can gain a lot from this question. The following is the reference content that the editor brings to you, let's take a look at it! Database application systems are composed of database systems, application systems, and

  2022-06-01 04:16:58 Views: 217
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  Linux one-click deployment of oracle installation environment scripts (recommended)

  The specific code is as follows: #! / bin/bash### function: Preparation for Oracle Install

  2022-06-01 04:16:58 Views: 304
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  Example of mysql cross-library transaction XA operation

  This paper gives an example of mysql cross-database transaction XA operation. Share with you for your reference, the details are as follows: some time ago, I encountered the problem of cross-database affairs in my work, and then I inquired about it on the Internet, and now I do some arrangement and summary. 1. First, make sure that mysql enables XA transactions to support SH

  2022-06-01 04:16:56 Views: 258
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  Spring knowledge points of Java

  The concept of 1.AOP is Aspected Oriented Programming aspect-oriented programming. The upside: AOP breaks down the program into aspects or concerns. This makes it possible to be modular and quite horizontally sliced. It can solve OOP and process side.

  2022-06-01 04:16:55 Views: 295
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  Postgres enables wal archiving

  1.postgres opens wal archiving: a. Modify the wal_level parameter: alter system set wal_level= 'replica';postgres=# alter system set

  2022-06-01 04:16:55 Views: 210
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  An introduction to the Properties of B-Tree

  B-tree is a common data structure. There is also a B+ tree with him. Here, the concept needs to be clarified. What's the difference between B-tree, B-tree and B + tree? What's the relationship between them? In fact, there are only two kinds of data structures, that is, B-tree and B + tree. Sometimes, the B-tree is also called B

  2022-06-01 04:16:49 Views: 232
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  Detailed explanation of mysql download and installation process

  1: download MySql official website download address: https://dev.mysql.com/downloads/mysql/ select the corresponding download file. (my computer is 64-bit, so this download is a 64-bit download file) 2: install MySql to open

  2022-06-01 04:16:41 Views: 288
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  Zabbix monitoring database

  #! / bin/sh MYSQL_PWD= "- usense-p *" ARGS=1 if [$#-ne "$ARGS"]; then echo "Please input one

  2022-06-01 04:16:40 Views: 262
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  Linux command: rpm package management

  Introduction to the rpm command: rpm: software Manager Database: / var/lib/rpm is used to query the database used by the software for related operations. Rpmbuild: tools for creating rpm software packages to install, query, uninstall, upgrade, verify, rebuild databases,

  2022-06-01 04:16:40 Views: 265
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  Talking about the Audit Management of Oracle11gR2

  Talk about the audit management of Oracle11gR2 author: Zhao full-text net name: guestart in the security features of Oracle database, audit is regarded as a particularly important aspect. The audit function of the database is mainly used to audit various types of DDL and DML statements

  2022-06-01 04:16:36 Views: 268
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  Detailed explanation of two methods of adding secondary nodes to MongoDB

  In the preface, the development of one of the business lines of a business group maintained some time ago found the operation and maintenance staff and raised an optimization problem of MongoDB. At that time, MongoDB was being transferred from op management to db for maintenance, and the whole department lacked experience in MongoDB operation and maintenance, Mo.

  2022-06-01 04:16:35 Views: 261
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  Distributed architecture is really suitable for the architecture of large Internet projects! Dubbo+zookeeper+springmvc+mybatis+shiro+redis

  About the platform Jeesz is a distributed framework that provides project modularization, service-oriented, hot-swappable ideas, and a rapid Java EE development platform with high encapsulation security. Jeesz itself integrates Dubbo service management, Zookeeper registry, Redis distribution

  2022-06-01 04:16:22 Views: 234
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  Summary of redis usage

  Recently, I have frequent contact with redis. I found that some things are often used at work, and it took me some time to consolidate. This article is mainly sorted out in a summary way, because the theme of redis is so large that any technical point is the volume of several articles. Also OK

  2022-06-01 04:16:18 Views: 272
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  Sub-query expansion of Oracle query transformation

  Concept: subquery expansion (Subquery Unnesting) is an optimization method for the optimizer to deal with the target sql of a belt query. It means that the optimizer no longer executes the target sql subquery as a separate processing unit, but converts the subquery into itself.

  2022-06-01 04:16:17 Views: 262
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  The solution to the 2059 error in navicat connection mysql

  Recently, I needed to use a database when learning django, so I downloaded navicat to be used with mysql, but there were the following problems when connecting: after searching on the Internet, I found that the reason for this error was the encryption rules in the previous version of mysql8.

  2022-06-01 04:16:12 Views: 262
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  MySQL Uninstall and install Picture and text tutorial under Linux

  Write a blog for the first time, do two years of development, find yourself something meaningful to do after work, share some experience in the development process, and take it as your own notes. sometimes you can't remember some things you don't need for a long time. All right, that's all for nonsense. Let's explain Lin.

  2022-06-01 04:16:08 Views: 293
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  ORACLE SQL query training

  SQL > conn scott/tiger@clonepdb_plugConnected.SQL > desc empName Null? TypeEMPNO NOT NULL NUMBER (4) ENA

  2022-06-01 04:16:07 Views: 254
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  Installation of mysql and mysql.sock under linux

  Recently, when installing Aphace,mysql,php on linux, I encountered a lot of problems. The problems encountered in installing apache and php should be simpler. On Baidu and google, it was solved with a search. Only when installing mysql, I encountered a problem that perplexed me for a long time.

  2022-06-01 04:16:02 Views: 302
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  Mysql 8.0.18 pits encountered when installing compressed packages and forgetting password reset

  Http://www.cppcns.com/shujuku/mysql/283231.html can also refer to this 8.0.18 installation method 1. Download the zip installation package (extract to the specified folder) 1) download the installation package from the mysql official website

  2022-06-01 04:16:02 Views: 241