MySQL official storage engine

The storage engine is a MySql component that handles SQL operations for different table types. InnoDB is the default and most general storage engine, and it is also the official recommended storage engine, except in some specific cases. CREATE TABL in MySql 5.6

2022-06-01 Database 我要分享

What is the online status of MySQL5.6 Online DDL?

This article will explain in detail how the online status of MySQL5.6 Online DDL is, and the content of the article is of high quality, so the editor will share it for you as a reference. I hope you will have a certain understanding of the relevant knowledge after reading this article. Yes* and No* show that

2022-05-31 Database 我要分享

How to list repositories that have been enabled or activated on Linux

This article mainly explains "how to list the repositories that have been enabled or activated on Linux". The explanation in this article is simple, clear and easy to learn and understand. Please follow the editor's train of thought to study and learn "how to list the repositories enabled or activated on Linux".

2022-06-01 Servers 我要分享

Detailed explanation of vsftp server configuration file

1. Default configuration: 1 > allow anonymous and local users to log in. Anonymous_enable=YESlocal_enable=YES2 > the login name used by anonymous users is ftp or anonymous, and the password is empty. Anonymous users cannot leave hiding.

2022-06-02 Servers 我要分享

How to install other engines online for Mysql

This article mainly introduces Mysql how to install other engines online, the article is very detailed, has a certain reference value, interested friends must read it! Mysql online installation of sphinx storage engine requires sphinx storage to be installed in existing mysql

2022-05-31 Database 我要分享

DATETIME FORMATE (time format)

From the official Oracle documentation, for ease of use at work, it is intercepted here for reference: http://docs.oracle.com/cd/E11882_01/server.112/e41084/sql_elements

2022-06-01 Database 我要分享

Theory: conditional statement of shell programming-theoretical explanation

Conditional statement is also a process control statement, daily life logic condition test file test integer test string and logic test if statement if single branch statement if double branch statement if multi-branch statement 1: conditional test operation 1.1.1 test command to test whether a specific expression is valid

2022-06-02 Servers 我要分享

Vsftpd installation configuration virtual user

As the number of users becomes larger and larger, it is unwise to create more system users, so it is necessary to create a virtual account for vsftpd, but the database of the vsftpd virtual account needs to be saved in a data file in Berkeley DB format, so you need to install db4-utils tools to

2022-06-02 Servers 我要分享

Folder shareing between ubuntu16 and windows

/ / linux rw windows share foldertemporary mount, lose this mount point if restartsudo mkdir / home/sha

2022-06-02 Servers 我要分享

Construction of Enterprise Vsftpd File Server based on CentOS7.3

File transfer Protocol (File Transfer Protocol,FTP), based on which FTP client and server can share files, upload files and download files. FTP generates a virtual connection based on TCP protocol, which is mainly used to control FTP

2022-06-02 Servers 我要分享

How to use screenfetch to display the basic hardware information of Linux logo

This article mainly introduces "how to display the basic hardware information of the Linux logo with screenfetch". In the daily operation, I believe many people have doubts about how to display the basic hardware information of the Linux logo with screenfetch.

2022-06-01 Servers 我要分享

What are the parameters of the IE web page pop-up window

The editor of this article introduces in detail "what are the parameters of the pop-up window of the IE web page". The content is detailed, the steps are clear, and the details are handled properly. I hope that this article "what are the parameters of the pop-up window of the IE web page" can help you solve your doubts. Let's follow the editor's ideas to learn new knowledge.

2022-06-01 Development 我要分享

How to install and configure vsftpd under Suse Linux 10

Today, I will talk to you about how to install and configure vsftpd under Suse Linux 10. Many people may not know much about it. In order to make you understand better, the editor has summarized the following for you. I hope you can get something according to this article. Download vsftpd under

2022-06-01 Servers 我要分享

What are the interesting commands in the Linux system

This article shows you what are the interesting commands in the Linux system, which are concise and easy to understand, which will definitely brighten your eyes. I hope you can get something through the detailed introduction of this article. The numerous and complicated commands in the Linux system make a lot of people go up, especially for those who have just picked up

2022-06-01 Development 我要分享

Introduction of P2P and Anonymous Communication Technology

P2P and anonymous communication technology introduction P2P and anonymous communication technology seem to be inseparable, but what is the relationship between the two, I believe that many people are specious. This paper respectively describes and classifies the P2P and anonymous communication technologies, clarifies the relationship between them, and combs the currently used

2022-06-01 Network Security 我要分享

Compare HBase, Memcached, MongoDB, Redis and Solr

NameHBaseMemcachedMongoDBRedisSolrDescriptionWide-column store based on Apache Hadoop and on concept

2022-06-01 Database 我要分享

How mysql modifies the table structure

This article is about how mysql modifies the table structure. The editor thinks it is very practical, so share it with you as a reference and follow the editor to have a look. The statement that mysql modifies the table structure is "ALTER TABLE", which can change the original table.

2022-05-31 Database 我要分享

Example Analysis of oracle system users

This article mainly introduces the example analysis of oracle system users, the article is very detailed, has a certain reference value, interested friends must read it! Accounts in oracle are divided into two categories: one is the required account, and the other is the account user name password description that stores various applications.

2022-05-31 Database 我要分享

How to understand Python3 regular expression (? (id/name) yes-pattern | no-pattern) conditional matching

This article introduces the knowledge of "how to understand the conditional matching of Python3 regular expressions (? (id/name) yes-pattern | no-pattern)". In the operation of practical cases, many people will encounter this dilemma, and then let

2022-06-03 Development 我要分享

How to compile qt with Linux

This article mainly introduces the relevant knowledge of how Linux compiles qt, the content is detailed and easy to understand, the operation is simple and fast, and has a certain reference value, I believe you will have something to gain after reading this Linux how to compile qt article, let's take a look. First download the source package qt-e

2022-06-01 Development 我要分享