10 recommended articles about storing information
- 黄舟Original
- 2017-06-14 14:23:101619browse
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. 10 recommended articles about server connection
##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, then This article will introduce how to implement queries between 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. 10 recommended articles about server connection
Introduction: Using 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. , then this article will introduce how to implement queries before 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! ...
3. 7 recommended articles about scaling technology
Introduction: Using 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. , then this article will introduce how to implement queries before 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! ...
4. 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 will introduce how to implement queries between 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! ...
5. 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 the table.
6. Summary of the five major storage methods in HTML5
##Introduction: Overall situation Before h5, cookies were mainly used for storage. The disadvantage of cookies is that they carry data in the request header, and the size is within 4k. Main Domain pollution. Main applications: shopping cart, customer login. For IE browser, there is UserData, the size is 64k, only IE browser supports it. Goal: Solve the 4k size problem Solve the problem that request headers often carry storage information Solve the problem of relational storage Cross-browser 1. Local storage localstorage Storage method: Store in the form of key-value pairs (Key-Value), permanent storage, never Invalid..
##7.Detailed introduction to the summary of the five major storage methods of HTML5
8.
Detailed summary of several front-end HTML5 storage methods
##Introduction: This article mainly introduces the method of JS to implement local storage of information, based on localStorage and userData realize the function of local storage. Friends who need it can refer to
10. 【JavaScript Tutorial】JavaScript Variables
#Introduction: Variables are "containers" used to store information.
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