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What is a sort rule? The sorting rules specify the rules for sorting and comparing string data based on the criteria set for specific languages and regions. SQLServer supports storing objects with different sorting rules in a single database. MSDN

Role of the master and slave: 1. It can be used as a backup method. 2. read/write splitting to relieve the pressure on a database MySQL master-slave backup principle: Mysql master-slave replication requires at least two Mysql services. Of course,

** Install the Operating System 1. there is nothing to say about the installation process. Pay attention to the partition. 2. if the system is reinstalled, in order to prevent partition table errors, the C disk is generally not deleted, but the new

About the Ftp protocol;Ftp command;Ftp return value;Ftp programming structure;About the Ftp protocol:I would like to know about the Ftp protocol, so I will not explain it. The following is an introduction to RPC959:The objectives of FTP are 1) to

Tmp_table_size If the temporary table in the memory exceeds this value, MySQL automatically converts it to the MyISAM table on the hard disk. If you execute many advanced group by queries with a large amount of memory, you can increase the value of

Learning Overview: * understanding the use of basic array functions * understanding the traversal of arrays * understanding the basic relationship of ultra-global arrays and using arrays 1. array definition and traversal 2. array Function Array

How to enable MySQL to store emoji characters, MySQL must support emoji Versions later than 5.5.3, and set the character set to utf8mb4. What is the difference between utf8mb4 and utf8? In the past, mysql utf8 had a maximum of 3 characters, while

Non-installed Mysql versions1. Decompress Decompress the package as follows; 2. Create my. ini My. ini [Mysql] # set the default character set of the mysql client default-character-set = utf8 [mysqld] # set port 3306 to port 3306 # set the mysql

PHP 500 no output no errors how to quickly locate the error code.No output, no error, log is normal. I'm just re-stating it (a senior interview question): Online code, no output, no error, log normal, LNMP SERVER 500 error How to quickly locate the

Sometimes our PHP program needs to communicate with other systems, such as a company's official website to provide product traceability information inquiries, in the back-end site needs and enterprise traceability system or ERP system communication,

X64Linux cannot log on to the local character interface to solve common exceptions. In other words, I have a server in charge of squid. it's always up to her to log on remotely. Today, I want to change a gateway, so I took a monitor and operated it

This article to share the content is about Kafka introduction and PHP-based Kafka installation and testing, the content is very detailed, the need for friends can refer to, hope can help you. Brief introduction Kafka is a high-throughput

Thetable 'xxxx' isfull set the temporary table size bitsCN.com Tmp_table_size If the temporary table in the memory exceeds this value, MySQL automatically converts it to the MyISAM table on the hard disk. If you execute many advanced group by

Error: 1) caused by changemaster: Last_IO_Error: errorconnectingtomaster Error: 1) Last_IO_Error: error connecting to master caused by change master Error:1)Caused by changing the master:Last_IO_Error: error connecting to master 'repl1 @ IP: 100

BYD remote command execution can roam 44 hosts in the Intranet High rank 219.134.188.42  A byd siteJAVA deserialization command execution vulnerability exists!  The host name can also be seen as byd.Ipconfig  Intranet IP address, which can

System Requirements: Configure network and Yum sources.Installation Environment:Yum install httpd php-fpm php-mysql mariadb-server-yAfter installation, modify some of the necessary parameters.1, PHP-FPMcd/etc/php-fpm.d/VI www.confListen = 127.0.0.1:9

HTTP protocol1. IntroductionThe HTTP protocol (Hyper text Transfer Protocol, Hypertext Transfer Protocol) is the transfer protocol used to transmit a hyper-text to a local browser from the World Wide Web (www:world Wide Web) server.HTTP transmits

1 , overviewN Nsurlsession is a new network interface in IOS7, which is tied to nsurlconnection.n when the program is in the foreground, most of nsurlsession and nsurlconnection can replace each othern Nsurlsession supports background network

What is the difference between GET and POST ? Use the POST method to send a login request . {1> http method : The HTTP protocol defines a number of methods that correspond to different resource operations , the most common of which are the

When using the EF framework to access a database, if some tables have common fields, such as in the approval process, for the creator of the various requisition materials, the time of creation, the modified person, the modified time, these may be