What is the difference between php and java databases?
Difference: 1. PHP uses different database access interfaces for different databases, while Java accesses the database through JDBC, and the interface for accessing the database is relatively unified. 2. When web applications switch from MYSQL to ORACLE data, PHP requires almost no program modifications, while Java development requires certain changes to achieve it.
The operating environment of this tutorial: windows7 system, PHP7.1&&java8 version, DELL G3 computer
What is php?
PHP is "Hypertext Preprocessor" and is a general open source scripting language. PHP is a scripting language executed on the server side. It is similar to C language and is a commonly used website programming language. PHP's unique syntax mixes C, Java, Perl, and PHP's own syntax. It is conducive to learning and widely used. It is mainly suitable for the field of web development.
According to the requirements of dynamic websites, PHP language, as a language program, its specificity gradually appears in the application process, and its technical level will directly affect the operating efficiency of the website. Its characteristics are that it has an open source code and is highly similar to general-purpose languages such as C language in terms of programming. Therefore, it is easy to understand and has strong operability during operation.
What is java?
Java is an object-oriented programming language. It not only absorbs the various advantages of the C language, but also abandons the concepts such as multiple inheritance and pointers that are difficult to understand in C. Therefore, the Java language has powerful functions and Simple and easy to use two features. As a representative of static object-oriented programming languages, Java language perfectly implements object-oriented theory and allows programmers to perform complex programming with an elegant way of thinking.
Java has the characteristics of simplicity, object-oriented, distributed, robustness, security, platform independence and portability, multi-threading, and dynamics. Java can write desktop applications, Web applications, distributed systems and embedded system applications, etc.
The difference between php and java in database
php uses different database access interfaces for different databases. PHP can be compiled with functions to connect to many databases. You will write your own peripheral functions to access the database indirectly. In this way, when the database used is changed, the coding can be easily modified to adapt to such changes.
At the same time, PHP now provides a unified database interface PDO. Access to different databases such as Oracle, MySQL, SQL2000, etc. can be completed through the bridge without considering the database interface issues. At the same time, in order to better support the MYSQL database, PHP also launched the MySQLi database connection, which is more efficient and secure.
Java accesses the database through JDBC, and can easily access the database through database drivers provided by different database vendors. The interface for accessing the database is relatively unified. There is no special targeted optimization.
If the developed web application is also transferred from MYSQL data to ORACLE data, PHP uses the PDO interface, and there is almost no need to make program modifications (ShopNC has already passed the self-developed encapsulated database layer, which is already possible) Very good support for multiple databases, even without PDO).
Java development requires certain changes to be implemented.
The difference in database access methods has established the gap between e-commerce software developed by PHP and e-commerce software developed by Java. Java is the traditional generation, but PHP is the result of the development of new technology. , PHP can not only accommodate everything, but also steadily improve in speed, and its efficiency is much more powerful than Java.
Recommended learning: "PHP Video Tutorial"
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