设置MySql5.5数据库的字符编码为UTF8,解决中文乱码问题_MySQL
bitsCN.com
设置MySql5.5数据库的字符编码为UTF8,解决中文乱码问题 1.在mysql压缩目录下,有一堆的参数配置文件,比如:my-small.ini,复制一下这个文件,自己改下名字,比如叫:my.ini 2.打开my.ini文件,增加如下参数: [client]:增加default-character-set=utf8参数 [client] #password = [your_password] port = 3306 socket = /tmp/mysql.sock default-character-set=utf8 [mysqld]:增加如下3个参数 [mysqld] default-storage-engine=INNODB character-set-server=utf8 collation-server=utf8_general_ci # generic configuration options port = 3306 socket = /tmp/mysql.sock 3.设置完成后,重启下mysql服务 4.连接上你的数据库之后,输入命令:SHOW VARIABLES LIKE '%char%';即可查看到现在你的数据库所使用的字符集了
bitsCN.com

Hot AI Tools

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Undress AI Tool
Undress images for free

Clothoff.io
AI clothes remover

Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Article

Hot Tools

Notepad++7.3.1
Easy-to-use and free code editor

SublimeText3 Chinese version
Chinese version, very easy to use

Zend Studio 13.0.1
Powerful PHP integrated development environment

Dreamweaver CS6
Visual web development tools

SublimeText3 Mac version
God-level code editing software (SublimeText3)

Hot Topics











Recently, many Win10 system users want to change the user profile, but they don’t know how to do it. This article will show you how to set the user profile in Win10 system! How to set up user profile in Win10 1. First, press the "Win+I" keys to open the settings interface, and click to enter the "System" settings. 2. Then, in the opened interface, click "About" on the left, then find and click "Advanced System Settings". 3. Then, in the pop-up window, switch to the "" option bar and click "User Configuration" below.

Apple's latest releases of iOS18, iPadOS18 and macOS Sequoia systems have added an important feature to the Photos application, designed to help users easily recover photos and videos lost or damaged due to various reasons. The new feature introduces an album called "Recovered" in the Tools section of the Photos app that will automatically appear when a user has pictures or videos on their device that are not part of their photo library. The emergence of the "Recovered" album provides a solution for photos and videos lost due to database corruption, the camera application not saving to the photo library correctly, or a third-party application managing the photo library. Users only need a few simple steps

Hibernate polymorphic mapping can map inherited classes to the database and provides the following mapping types: joined-subclass: Create a separate table for the subclass, including all columns of the parent class. table-per-class: Create a separate table for subclasses, containing only subclass-specific columns. union-subclass: similar to joined-subclass, but the parent class table unions all subclass columns.

To handle database connection errors in PHP, you can use the following steps: Use mysqli_connect_errno() to obtain the error code. Use mysqli_connect_error() to get the error message. By capturing and logging these error messages, database connection issues can be easily identified and resolved, ensuring the smooth running of your application.

How to use MySQLi to establish a database connection in PHP: Include MySQLi extension (require_once) Create connection function (functionconnect_to_db) Call connection function ($conn=connect_to_db()) Execute query ($result=$conn->query()) Close connection ( $conn->close())

JSON data can be saved into a MySQL database by using the gjson library or the json.Unmarshal function. The gjson library provides convenience methods to parse JSON fields, and the json.Unmarshal function requires a target type pointer to unmarshal JSON data. Both methods require preparing SQL statements and performing insert operations to persist the data into the database.

Using the database callback function in Golang can achieve: executing custom code after the specified database operation is completed. Add custom behavior through separate functions without writing additional code. Callback functions are available for insert, update, delete, and query operations. You must use the sql.Exec, sql.QueryRow, or sql.Query function to use the callback function.

PHP database connection guide: MySQL: Install the MySQLi extension and create a connection (servername, username, password, dbname). PostgreSQL: Install the PgSQL extension and create a connection (host, dbname, user, password). Oracle: Install the OracleOCI8 extension and create a connection (servername, username, password). Practical case: Obtain MySQL data, PostgreSQL query, OracleOCI8 update record.
