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1. The real UTF8 of MySQL is that UTF8MB4 is effective UTF8a). How to set the MARIADB#vim/etc/my.conf[mysqld]character_set_server=utf8mb4 collation-server=utf8mb4_unicode_ci init_connect= ' SET NAMES utf8mb4 '

The following article mainly describes the actual operation of the MySQL show index syntax and its actual view of the index State (syntax) description of the specific content, if you are curious about this technology, the following article will

Original address: http://blog.chinaunix.net/uid-26642180-id-3485465.htmlI've been learning PostgreSQL recently, and here are some of the common commands that I've compiled for PostgreSQL.Connect to the database, the default user and database is

Environment: mysql 5.5 Create Database test: test; We can execute the code to create the test database. If you want to check whether the database test has been created, you can use the code to view all the databases in mysql. show databases; What

Step 1: start and stop the mysql service netstopmysqlnetstartmysql Step 2. log on to mysql with the following syntax: mysql-u username-p username and password, and enter the command mysql-uroot-p, enter the password, enter 12345, and then press

Welcome to the Linux community forum, interact with 2 million technical staff to enter the Database connection method [root @ gd02-qa-plxt2-nodomain] # mysql-uvipdns-pvipdns-h10.0.3.99mysqlshowdatabases; + -------------------- + | Database | + ------

(1) The simplest modification method is to modify mysql's my. INI file character set key value, such as default-character-setutf8character_set_serverutf8 after modification, restart mysql service, servicemysqlrestart using

Learn about linux-build lamp-Linux Enterprise Application-Linux server application. For more information, see the following section. From: andrewxiao I recently started to learn linux. As the saying goes, my good memory is not as bad as my head. So

Maven Project Build spring boot + spring mvc + JPA example, mavenmvc This article describes how to build spring boot + spring mvc + JPA by using Maven: Add Spring boot support and introduce related packages: 1. For maven projects, see the official

Mysql common command lines Mysql common command lines First, start and stop the mysql Service Net stop mysql Net start mysql Second, log on to mysql Syntax: mysql-u user name-p User Password Enter the mysql-uroot-p command, press enter and prompt

Spring cloud Single Sign-On, springcloud Single PointSummary springcloud-based Single Sign-on service and zuul-based gateway service (solving the session loss problem after zuul is forwarded to the authentication service) download the code:

This article mainly introduces how to use mysqli functions in PHP to connect to mysql. the following error occurs: warning: mysqli: real_connect () :( hy0001040 ):... for more information, see the background: when I replace mysql with mysqli, there

The table structure is as follows: mysqlshowcreatetableperson; | person | CREATETABLE 'person '('number' int (11) DEFAULTNULL, 'name' varchar (255) DEFAULTNULL, 'birthday' dateDEFAULTNULL) enginemyisamdefacharcharsetutf8 | delete a column:

MySQL character set: methods that do not contain garbled characters there are many types of character sets in the database. The main impact on programming is the client character set and database character set (there is also a server character set,

Mysqlreport Chinese document mysqlreport displays MySQL status changes in a friendly way. In fact, it reports almost all states. Unlike show status, which only displays more than 100 STATUS values, mysqlreport interprets and formats these STATUS

MySQL database common commands summary 1. first determine whether the database/table exists, and then create a database/table CREATE DATABASE IF NOT EXISTS database_name;CREATE TABLE IF NOT EXISTS table_name; 2. modify the table name in MySQL.

Modify the default encoding method of the mysql database. modify the default encoding method of the mysql database. Modify the my. ini file Add Default-character-set = gb2312 Set Database character sets Alter database da_name default character set '

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Attunity 'splaceattheintersectionofstructureddataandweb-scaleapplications | # Perco... organizations are tapping into new sources of information for competitive advantage, but the journey from concept to reality is proving to be a bumpy one, with

One of MySQL study notes: bitsCN.com MySQL has a command line named mysql. enter mysql at the prompt and the following simple prompt will appear: ~ mysqlWelcome to the MySQL monitor. Commands end with ; or /g.Your MySQL connection id is