This article uses an example to describe how MySQL generates random numbers and concatenates strings. Share with you for your reference, the details are as follows: Methods used: SQL statement example: Copy the code as follows: UPDATE user set reg_ip = concat(floor(RAND() * 250),'.',floor(RAND() * 250),'.',floor(RAND() * 250),'.',floor(RAND() * 250)) where username = 'xxx' PS: Here are two commonly used SQL online tools for your reference (including SQL statement usage instructions): SQL online compression/formatting tool: SQL code online formatting and beautification tool: In addition: I would like to recommend an online random number tool for your reference: Online random number/string generation tool: Readers who are interested in more MySQL-related content can check out the following topics: "Summary of MySQL Common Functions", "Summary of MySQL Log Operation Skills", "Summary of MySQL Transaction Operation Skills", "Summary of MySQL Stored Procedure Skills" and "Summary of MySQL Database Lock-Related Skills". I hope this article will be helpful to everyone's MySQL database design. You may also be interested in:
|
<<: Mini Programs enable product attribute selection or specification selection
>>: How to manually build a new image with docker
As shown in the figure: There are many files conne...
Table of contents Download the compressed file Ad...
I struggled with a problem for a long time and re...
Enable remote access to MySQL By default, MySQL u...
Character set error always exists locale: Cannot ...
Table of contents 1. Concept 2. Environmental Des...
This article example shares the specific code of ...
Table of contents Preface 1. Parent component pas...
As shown above, the navigation is fixed at the to...
Table of contents 1.Vue.js features: 2.Observer.j...
symptom I set a crontab task on a centos7 host, b...
1. Python installation 1. Create a folder. mkdir ...
Disclaimer: Since the project requires the use of...
Table of contents 1. Union Type 2. Crossover Type...
This article shares the specific code of js to ac...