7 recommended articles about scaling technology

Use mysqli extension technology to implement multiple data table queries. In the actual project development process, a project often requires multiple data tables to store information, and these tables are related to each other through primary keys. This article will introduce How to implement queries across multiple data tables. Well, in our previous article "How to use mysqli extension technology to view server connection error reports", we introduced the method of mysqli extension technology to view server connection error reports. Today we will introduce to you the use of mysqli extension technology to achieve multiple Query between tables! Technical points: Use mysqli technology to implement multi-table queries. The key is how to connect multiple tables through primary keys. The following is the code for implementing multi-table query in this example: $sql = "select * from student,score where student.id=score.id"; $result = mysqli_

1. Recommended articles about data table query

##Introduction: Use mysqli extension technology to implement multiple data table queries. In the actual project development process, a project often requires multiple data tables to store information, and these tables are related to each other through primary keys, so this article This article will introduce how to implement queries across multiple data tables. Well, in our previous article "How to use mysqli extension technology to view server connection error reports", we introduced the method of mysqli extension technology to view server connection error reports. Today we will introduce to you the use of mysqli extension technology to achieve multiple Query between tables! ...

2. mysql query expansion technology tutorial

##Introduction: Query expansion is used to try to broaden the scope of the full-text search results returned. Consider the following situation. You want to find all comments that mention anvils. Only one comment contains the word anvils , but you also want to find all other lines that may be relevant to your search, even if they don't contain anvils . This is also a task of query expansion. When using query expansion, MySQL performs two scans of the data and index to complete the search:

3.

Memory recycling through mysqli expansion technology

Introduction: In order to effectively utilize the memory space of the server, when obtaining a large result set, once the operation is completed, it is necessary to recycle the set For the memory required, since mysqli technology can adopt both object-oriented and process-oriented programming methods, there are two corresponding memory recycling methods. This example will be used to explain the value and use of the memory recycling mechanism in the project development process. method.

4.

Use mysqli extension technology to implement multiple data table queries

##Introduction: In the actual project development process, a project often requires multiple data tables to store information, and these tables are related to each other through primary keys. This article will introduce how to implement multiple data tables. Query before data table.

5.

How to use mysqli extension technology to view server connection error reports

Introduction: As the golden partner of PHP, the MySQL database plays a decisive role in the development process of PHP projects. This is not only because MySQL is completely free, but also is completely cross-platform like PHP. However, in the actual project development process, connection errors between PHP and the MySQL database are inevitable. This example will explain how to detect such connection errors as early as possible.

6.

Retrieval of database information through mysqli extension technology

##

Introduction: In versions after PHP5.0, not only can you use the early MySQL database manipulation functions, but you can also use mysqli extension technology to communicate with the MySQL database. The use of mysqli extension technology can not only call MySQL stored procedures and process MySQL transactions, but also make accessing the database more stable.

7. css extension technology: the difference between Less and Sass_html/css_WEB-ITnose

Introduction: css Scaling Technology: The Difference Between Less and Sass

The above is the detailed content of 7 recommended articles about scaling technology. For more information, please follow other related articles on the PHP Chinese website!