Course19661

Course Introduction：Use PDO mode (PHP data object) to connect and select databases (unified operation of various databases), execute SQL statements and process result sets

Course7440

Course Introduction：Many programmers who have worked for many years still have a very basic understanding of databases. They are confused as soon as they go out for interviews. They don’t understand basic SQL statements, more complex SQL queries, and SQL statement optimization. They don’t even know how to use them. Redis improves system performance and can withstand tens of millions of concurrencies. This set of courses will help you thoroughly understand MySQL locks, execution plans, indexes, MVCC & Redis transactions, cache, breakdown, penetration, avalanche, warm-up, etc., and you can complete all database interviews in one set!

Course3390

Course Introduction：PHP and MySQL database are golden partners. Not only are they free to use, but more importantly, MySQL can be better combined with PHP. PHP also provides a dedicated programming interface for the MySQL database, improving development efficiency.

Course27999

Course Introduction："Database MySQL Video Tutorial" provides a basic introduction to the database, allowing everyone to first understand the MySQL database, and then explain the DOS operation database.

Course9988

Course Introduction：SSDB is a high-performance NoSQL database developed in C/C++ language. It supports KV, list, map(hash), zset(sorted set), qlist(queue) and other data structures. It is used to replace or cooperate with Redis to store billion-level lists. The data.SSDB is stable, used in production environments, and has been used in many Internet companies_From the SSDB Database User Manual

Course Introduction：Reasons why Navicat cannot connect to the database include: The database server is not running. Wrong connection details. Firewall blocks connection. Internet problem. Client and server versions are incompatible. The database account is disabled or has insufficient permissions. Database configuration error. Other problems (such as virus infection or hardware problems).

2024-04-23 comment 0679

Course Introduction：PHP fails to update database: reasons and solutions In web development, we must use databases to store, manage and access data. PHP language is one of the most popular web programming languages that provides many features for operating databases. However, when updating the database using PHP, you sometimes encounter failures. This article will introduce the possible reasons and solutions for PHP database update failure. 1. Reasons why PHP fails to update the database 1. Database connection failure Before updating the database, a connection to the target database must be established first. if

2023-04-11 comment 0330

Course Introduction：The reasons for the PHP database interface are: 1. Allow effective communication and interaction between PHP and the database, send queries and obtain results, and realize the addition, deletion, modification and query of data; 2. Enable PHP to better utilize the functions of the database and use the database Efficient data storage and management functions; 3. Make it easier to integrate PHP with other development technologies and tools, and conveniently integrate and interact with other technologies; 4. Provide protection for the security and integrity of the database, and provide The function of validating and filtering data effectively prevents security vulnerabilities such as SQL injection.

2023-07-10 comment 01071

Course Introduction：Analysis and solutions to the causes of database connection failure of Dreamweaver CMS When using Dreamweaver CMS for website development, we often encounter the problem of database connection failure, which brings troubles to the normal operation of the website. This article will analyze the reasons why the DreamWeaver CMS database connection fails and give some solutions to help users solve this problem faster. 1. Analysis of the reasons for database connection failure: 1.1 Incorrect database user name or password When configuring the database connection in Dreamweaver CMS, it is easy to enter the wrong database user name or password.

2024-03-28 comment584

Course Introduction：Title: Analysis of the role and reasons of PHP database interface In the field of Web development, the database is a crucial part, and as a language that is widely used in server-side development, the interaction between PHP and the database is also particularly important. In order to facilitate PHP to interact with various databases, we often use database interfaces, such as MySQLi and PDO. This article will analyze the role of the PHP database interface and the reasons for its use, and provide specific code examples for demonstration. 1. The role of PHP database interface PHP

2024-03-12 comment490