Blogger Information
Blog 37
fans 0
comment 0
visits 20799
Popular Tutorials
More>
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template
PHP编程第八课:php基础8-PHP培训九期线上班
渡劫小能手
Original
553 people have browsed it

一、数据库增删查改(手写)

2019-11-24_163414.jpg
二、创建数据表,每张表有10个字段(截图)

2019-11-24_115748.jpg

三、总结

WHERE是条件,可以使用运算符 < > =

修改和删除,也可以使用条件,也可以使用运算符,但是最好只用=,进行单个数据修改和删除

查询,使用条件,就没有限制了

LIMIT 1个参数,代表取出多少条

LIMIT 2个参数,第一个代表从第几条开始(0开始计数),第二个代表取出多少条


Correcting teacher:查无此人查无此人

Correction status:qualified

Teacher's comments:完成的不错,继续加油。
Statement of this Website
The copyright of this blog article belongs to the blogger. Please specify the address when reprinting! If there is any infringement or violation of the law, please contact admin@php.cn Report processing!
All comments Speak rationally on civilized internet, please comply with News Comment Service Agreement
0 comments
Author's latest blog post
About us Disclaimer Sitemap
php.cn:Public welfare online PHP training,Help PHP learners grow quickly!