What are the php databases?

php databases have: 1. MySQL, which is easy to install and use, and has good performance and reliability; 2. PostgreSQL, which supports advanced SQL syntax and complex query operations, and can handle large amounts of data and concurrency Access; 3. SQLite, which is compact, fast and easy to integrate, suitable for embedded systems and small applications; 4. Oracle, which has powerful functions and performance, supports advanced SQL syntax and complex transaction processing; 5. MongoDB and more.

The operating environment of this tutorial: windows10 system, php8.1.3 version, DELL G3 computer.

PHP is a widely used server-side scripting language commonly used for web development. In PHP, the database is a very important component that can be used to store and manage data. PHP supports many types of databases. The following will introduce some commonly used ones.

1. MySQL

MySQL is an open source relational database management system and one of the most commonly used databases. It is easy to install and use, and has good performance and reliability. MySQL can be used for applications of all sizes, from small websites to large enterprise-level systems. PHP provides a set of MySQL extension functions that can easily interact with the MySQL database and perform data addition, deletion, modification and query operations.

2. PostgreSQL

PostgreSQL is another popular relational database management system that is also open source. It supports advanced SQL syntax and complex query operations, and can handle large amounts of data and concurrent access. PostgreSQL has strong scalability and reliability and is widely used in large-scale web applications and enterprise-level systems. PHP provides a set of PostgreSQL extension functions to easily interact with the PostgreSQL database.

3. SQLite

SQLite is a lightweight relational database management system that stores the entire database in a single file. SQLite is small, fast and easy to integrate, making it suitable for embedded systems and small applications. PHP has built-in support for SQLite databases, and you can directly use SQLite functions to perform database operations.

4. Oracle

Oracle is a commercial relational database management system that is widely used in large enterprise-level systems. It has powerful functions and performance, supports advanced SQL syntax and complex transaction processing. PHP provides an Oracle extension module that can interact with the Oracle database and perform database operations.

5. MongoDB

MongoDB is a non-relational database, also known as NoSQL database. It stores data in the form of documents and can handle large amounts of unstructured data and high concurrent access. MongoDB is well suited for large-scale distributed systems and real-time data processing. PHP provides a MongoDB extension module that can interact with the MongoDB database.

In addition to the commonly used databases mentioned above, there are other databases that can also be used in PHP, such as SQLite, Microsoft SQL Server, IBM DB2 etc. According to the specific application scenarios and needs, it is very important to choose the appropriate database. In PHP development, you can interact with the database and achieve data storage and management by connecting to the database, executing SQL statements, processing query results and other operations. These databases provide a rich set of features and tools that make it easier for PHP developers to build powerful and efficient web applications. .

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