Internet Era, PHP and Database Study Guide

With the development of the Internet, PHP and database management have become very popular and important technologies because they are an important part of developing websites. PHP handles the back-end logic of the website, while the database stores and manages the data. Therefore, learning PHP and databases is crucial for those who want to have a place in the field of program development.

In this article, we will provide you with a guide to learning PHP and databases, and explore how to enter this field as a novice in the Internet age.

Preparation

Before learning PHP and database, you need to prepare some basic knowledge. It is not necessary to master this knowledge, but mastering this knowledge will make it easier for you to understand the concepts of PHP and database.

1. HTML and CSS

Learn basic HTML and CSS so that you can understand web page structure and design. They are two essential elements in a URL.

2. JavaScript

JavaScript can enhance your web page interaction and improve user experience. Additionally, many PHP developers use JavaScript language.

3. Data structures and algorithms

Data structures and algorithms are the basic knowledge of programming. Mastering these basics will help you better understand and solve problems.

Learn PHP

PHP is a development language used for server-side programming, which enables the creation of dynamic websites and applications. PHP is an open source language that is easy to learn and use, with a gentle learning curve compared to other popular programming languages ​​such as Java and C.

The following is an introduction to how to learn PHP:

1. Learn PHP basic syntax

Before learning a language, you need to understand its syntax. The PHP language has some basic rules and grammatical structures, such as variables, constants, arrays, functions, etc. By learning these basics, you can quickly understand the core principles of the language.

2. Learn PHP framework

If you have certain programming experience, you should learn the specific framework. The PHP framework is a higher-level programming model. They provide some preprocessing commands and structures that can speed up the programming process and reduce errors. When you don't write large-scale code, you can learn to use ready-made frameworks such as Laravel and CodeIgniter.

3. Reference PHP website

PHP has a large number of documents and sample codes. The official website php.net provides a complete reference manual, as well as a forum with an active community to help with questions.

Learning Database

The database is a place where data is stored and is an important part of the application. A database management system (DBMS) is software used to manage, maintain and operate databases. Compared to other programming languages, the database field is a more technical field.

Here is a guide on how to learn a database:

1. Learn SQL

SQL is the Structured Query Language, which is the most basic when interacting with a database. command language. SQL language has various types of commands such as SELECT, INSERT, UPDATE and DELETE. Before learning about a specific database, you should understand basic SQL command statements.

2. Learn a specific database management system

Different database management systems use different languages ​​and commands. For example, MySQL uses SQL, while MongoDB uses JavaScript. Based on personal needs and preferences, a specific database is selected for study research.

3. Refer to the documentation of the database management system

The provider of the database system usually provides a detailed document to guide how to use the system. These documents usually contain detailed descriptions of the language and API, as well as matters needing attention during use.

Conclusion

Learning PHP and database is an important part of the technical field and can provide developers with more opportunities and technical support. By following our guide, you can successfully learn PHP and databases and become a professional developer in these fields.

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