The popularity of the Internet (WWW, World Wide Web) has driven the trend of surfing the Internet all over the world, and the Internet has gradually become known. In fact, the Internet is only one of many applications of the Internet, but the Internet is widely known by the popularity of the Internet. before Website Design The majority of web pages are static text and graphics. Later, there are some dynamic text and graphics. Now, there are dynamic web pages and active broadcast channels. The changes of web pages are more and more rich, and the services provided are more and more.
When you browse the pages of major websites, you will find that some websites provide data query functions. For example, the website of some online bookstores can find relevant information by entering the keywords to be queried. Such websites use website database technology. It will query the data in the database linked to the website, and send the found data back to the browser, and the final results will be presented to the user. Such websites with linked databases are called website databases. To put it simply, a website database is that the user uses the browser as the input interface to input the required data. The browser transmits the data to the website, and the website processes the data, such as storing the data in the database, or querying the database, and finally the website sends the running results back to the browser, Inform the user of the result through the browser, as shown in Figure 1.2.
This new website database access method gives the Internet further development space, and also brings unprecedented business opportunities, such as online ordering products, stock or fund online ordering, etc. In addition, this method can also be used to carry out various examinations on the network. These must be applied to the technology of combining website and database.