What should I do if the upgraded phpmyadmin cannot be opened?
After upgrading to the latest phpMyAdmin version, the login box is blank and the solution is to be unable to log in.
We need to open and find: phpMyAdmin\ libraries\plugins\auth\AuthenticationCookie.class.php
Open AuthenticationCookie.class.php and delete the two hide
The screenshot after deletion is as follows and saved.
Refresh. The login box appears.
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phpMyAdmin manages MySQL databases by generating and executing SQL statements. 1. The user operates through the web interface, 2.phpMyAdmin generates SQL statements, 3. Sends to the MySQL server for execution, 4. Returns the result and displays it in the browser.

phpMyAdmin is a web-based MySQL database management tool that allows users to manage databases through a graphical user interface (GUI). 1. It interacts with the MySQL database through PHP scripts, converts user operations into SQL queries and renders the results. 2. Basic usage includes creating databases and tables, such as creating databases named 'my_database' and 'users' tables. 3. Advanced usage supports complex queries and user permission management, such as finding users with specific user names. 4. Common error debugging techniques include checking SQL syntax, managing permissions, and viewing logs. 5. Performance optimization suggestions include index optimization, query optimization and ensuring security.

phpMyAdmin simplifies SQL operations through a graphical interface and improves database management efficiency. 1) Provide an intuitive GUI without directly writing SQL statements; 2) Interact with MySQL through PHP scripts to transparently handle complex operations; 3) Support basic operations such as creating tables and advanced functions such as data export. Pay attention to permissions and SQL syntax errors when using it, and optimize queries, regular backups and ensure security settings.

Beginners can learn SQL and phpMyAdmin from scratch. 1) Create database and tables: Create a new database in phpMyAdmin and create tables using SQL commands. 2) Execute basic query: Use SELECT statement to query data from the table. 3) Optimization and best practices: Create indexes, avoid SELECT*, use transactions, and regularly back up databases.

MySQL and phpMyAdmin are powerful database management tools. 1.MySQL is an open source relational database management system, and phpMyAdmin is a MySQL management tool based on the Web. 2.MySQL works through the client-server model, and phpMyAdmin simplifies database operations. 3. Basic usage includes creating tables and data operations, and advanced usage involves stored procedures and triggers. 4. Common errors include SQL syntax errors, permission issues and performance bottlenecks. 5. Optimization techniques include reasonable use of indexes, optimized query, regular maintenance and backup and recovery.

phpMyAdmin implements the operation of the database through SQL commands. 1) phpMyAdmin communicates with the database server through PHP scripts, generates and executes SQL commands. 2) Users can enter SQL commands in the SQL editor for query and complex operations. 3) Performance optimization suggestions include optimizing SQL queries, creating indexes and using pagination. 4) Best practices include regular backups, ensuring security and using version control.

phpMyAdmin improves database productivity through an intuitive web interface: 1. Simplify the creation and management of databases and tables; 2. Support complex SQL queries and data operations; 3. Provide relationship view functions to manage table relationships; 4. Optimize performance and best practices to improve efficiency.

phpMyAdmin is a web-based MySQL database management tool. 1. It supports basic CRUD operations and advanced features such as database design and performance optimization. 2. Run through the web server, accept user input and convert it to MySQL commands. 3. The basic usage includes creating a database, and the advanced usage supports query optimization. 4. Common errors such as insufficient permissions can be solved by checking user permissions. 5. Performance optimization includes index optimization, query optimization and database design.


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