Database used by the front end
MongoDB
MongoDB is a database based on distributed file storage. Written in C++ language. It aims to provide scalable and high-performance data storage solutions for WEB applications. MongoDB is a product between relational database and non-relational database, which has the strongest functionality and is similar to relational database. Compared with MySql, it saves complicated operations such as table building, and can realize js-like object operations.
relational database
The open architecture of MySQL makes users highly selective, and there are a large number of community developers and maintainers. Its function is relatively stable and its performance is excellent. It can be used and modified free of charge under the premise of observing the GPL protocol, which also brings more benefits to the promotion and use of MySQL. In the process of MySQL's growth and development, the supported functions are gradually increasing, the performance is constantly improving, and the platform support is also increasing.
MySQL is a relational database management system. The characteristic of relational database is to save the data in different tables. Now, these tables are put in different databases instead of putting all the data in one big warehouse. This design improves the reading speed, flexibility and manageability of MySQL. The most commonly used standardized language for accessing and managing MySQL database is SQL structured query language.
Most large, medium and small Internet websites using Linux operating system, from large BAT portals to e-commerce platforms and classified portals, are using MySQL as their back-end database storage. So, what are the advantages and characteristics of MySQL database, so that everyone will not hesitate to choose it?
There may be the following reasons:
1.MySQL has excellent performance and stable service, and there are few abnormal downtime. 2.MySQL is an open source code with no copyright restrictions and low autonomy and use cost. 3.MySQL has a long history, and the community and users are very active. You can ask for help when you encounter problems. 4.MySQL software is small in size, easy to install and use, simple in maintenance and low in installation and maintenance cost. 5.MySQL's brand reputation is corresponding, which makes enterprises use it directly without considering it, LAM. 6.MySQL supports multiple operating languages, provides multiple API interfaces, and supports multiple development languages, especially the popular PHP language.