Found a total of 10000 related content
How to connect PHP script to MySQL database
Article Introduction：In online form development, connecting PHP code with MySQL database is a common operation. User form data needs to be collected and added to the database. This article introduces two commonly used PHP and MySQL database connection methods.
PHP and MySQL database connection
To connect MySQL database to PHP, you need to install MySQL, database management tools and PHP on your computer. The two most commonly used connection methods are MySQLi and PDO.
First, we introduce the easier MySQLi to use.
First create a MySQL database, here we use TablePlus. TablePlus is a convenient database management tool that handles a variety of databases in a single interface. Through its user-friendly interface,
2025-04-11
comment 0
734
Can I reset a database user password using Navicat?
Article Introduction：Yes, you can reset the database user password through Navicat. The specific steps are: 1. Right-click the database server connected to it and select "Manage Users"; 2. Find the user who needs to modify the password and click Edit; 3. Enter and confirm the new password in the pop-up window; 4. Save the changes. Some databases such as MySQL may require the FLUSHPRIVILEGES command to make the changes take effect. If there is no administrator permission, you need to request administrator assistance or use the command line operation. Common errors include choosing the wrong database type, not saving changes, using weak passwords, and mistakenly changing other user information. When it comes to complex authentication methods such as LDAP or OAuth, you may need to rely on native tools to complete the operation.
2025-07-27
comment 0
261
mysql command line client tips
Article Introduction：Mastering common techniques of MySQL command line can improve operation efficiency; configuring default login information can quickly enter the database interface; using up and down keys or systemhistory to view historical commands, the Tab key will automatically complete the table name field; using \G vertically display results and pagermore pagination display; using shortcut commands such as \s to view connection status, \c cancel statement, \g execution statement, and \h to obtain help documents.
2025-07-14
comment 0
176
MySQL: The Database, phpMyAdmin: The Management Interface
Article Introduction：MySQL and phpMyAdmin can be effectively managed through the following steps: 1. Create and delete database: Just click in phpMyAdmin to complete. 2. Manage tables: You can create tables, modify structures, and add indexes. 3. Data operation: Supports inserting, updating, deleting data and executing SQL queries. 4. Import and export data: Supports SQL, CSV, XML and other formats. 5. Optimization and monitoring: Use the OPTIMIZETABLE command to optimize tables and use query analyzers and monitoring tools to solve performance problems.
2025-04-29
comment 0
1075
Explain Laravel Database Migrations.
Article Introduction：Database migration is a version control tool in Laravel for managing database structure changes. It allows the use of PHP code to define and synchronize table structures to avoid manual operation of the database. 1. The migration file contains methods for up() to perform changes and down() rollback changes; 2. Use the Schema builder and Blueprint class to create tables and fields, and support common types and constraints; 3. Common Artisan commands include migrate run, rollback rollback, reset reset, refresh refresh, and make:migration to generate new files; 4. The recommended practice is to not modify the running migration, but create new files for adjustments, and fill data with factories and seeds.
2025-07-22
comment 0
732
How to create a custom session handler in PHP?
Article Introduction：In PHP, custom session processing mechanism requires implementing the SessionHandlerInterface interface and registering handler. 1. Implement six core methods: open(), close(), read(), write(), destroy() and gc() to complete the session storage logic; 2. Create a custom handler class instance and register it through session_set_save_handler(); 3. Call session_start() before use to start the session. Suitable for improving performance, centralized management and extension functions. It is recommended to pay attention to permission control, concurrency problems and security protection to ensure the correct operation of GC and ensure the sess
2025-07-14
comment 0
960
How PHP Powers Dynamic Websites
Article Introduction：PHP dynamically generates HTML content by running scripts on the server side, making the website interactive and real-time. 1. It obtains data from the database according to user requests and dynamically splices web page content, realizing that a set of code supports a large number of pages; 2. PHP often cooperates with MySQL to handle functions such as login verification, comment system, etc. that require data storage and query; 3. Use template engines (such as Smarty or Blade) or view separation technology to separate logic from presentation, improving code maintainability; 4. Combine cache mechanisms such as OPcache and Memcached to optimize performance, reduce duplicate parsing and database pressure, thereby efficiently supporting dynamic website operation.
2025-07-18
comment 0
506
How to install WordPress manually
Article Introduction：Installing WordPress mainly includes the following steps: 1. Prepare the host, FTP login information and FTP client that supports PHP and MySQL; 2. Download and unzip the program package from wordpress.org to ensure that the wp-config-sample.php file is included; 3. Create a database in the host control panel, and create a configuration file wp-config.php with wp-config-sample.php to fill in the correct database information; 4. Use FTP or file manager to upload all WordPress files to the website root directory; 5. Access the domain name in the browser and enter the installation wizard, fill in the site title and administrator account information to complete the installation; 6. Install
2025-07-30
comment 0
906
php best way to store date in database
Article Introduction：The safest way to save dates to the database in PHP is: 1. Select the appropriate data type (DATETIME is suitable for long-term storage, TIMESTAMP is suitable for automatic time zone conversion); 2. Use the DateTime class to process time and the unified format is 'Y-m-dH:i:s'; 3. Use UTC in the unified time zone and set the time zone when connecting to MySQL. Avoid storing timestamps directly or using irregular formats to ensure queries, sorting, and cross-language compatibility.
2025-07-12
comment 0
273
What are the considerations when using phpMyAdmin in a shared hosting environment?
Article Introduction：When using phpMyAdmin on shared hosting, you need to pay attention to permission limits, file size limits, security best practices, and performance impact. First of all, due to host provider restrictions, you may not be able to create or delete the database, some MySQL permissions are disabled, and if there is a "Permission Denied" error when performing an operation is usually due to insufficient permissions. Secondly, import and export files are usually limited to upload_max_filesize and post_max_size set by PHP. Most hosts are limited to less than 50MB. Larger files should consider SSH or built-in host tools. In addition, phpMyAdmin is often a target of attacks. Be sure to use a strong password, avoid using the default access path, and log out in time to ensure security. most
2025-07-15
comment 0
798
Dave The Diver: How To Catch Spider Crabs
Article Introduction：In Dave The Diver, there are some creatures that are not easy to catch. Or, catch alive that is. The spider crab is one of those very species, making it seem like the only way to bring these crustaceans back up to land is to viciously crack them up w
2025-01-10
comment 0
864
Prepare for Interview Like a Pro with Interview Questions CLI
Article Introduction：Prepare for Interview Like a Pro with Interview Questions CLI
What is the Interview Questions CLI?
The Interview Questions CLI is a command-line tool designed for JavaScript learners and developers who want to enhance their interview
2025-01-10
comment 0
1490
