Mysql (what is a relational database ?), Mysql database

Source: Internet
Author: User

Mysql (what is a relational database ?), Mysql database

Relational Database: a database built on a relational model.

LINK model:
How to process the entity structure when saving the entity (student) and entity attributes (student's student ID and name) in daily life to the database.

1. The data structure can be defined as similar data with the same structure. Is a two-dimensional table.
2. You can set the relationship between data. Links between entities.

Nosql (not only SQL non-relational database system) is like an array (key-value pair sequence), which corresponds to keys and values. Such as the sequence of mongoDB MemBase key-value pairs.

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.