Learning record of mongodb master class (day 22)

Time:2020-9-30

Write it at the front

Because I want to design a database to practice, I temporarily decided to skip the operation and maintenance part and directly learn the part about “system architecture” in Chapter 4.

Day 22

Today, we are going to learn the Chapter 41 | mongodb application scenarios and selection. Please click here for the course address. Thank you, Mr. Tang Jianfa.

Data location of mongodb

  1. OLTP database
  2. In principle, mongodb is suitable for both Oracle and MySQL scenarios (acid transactions are supported after 4.0).

advantage

  1. The native supports the horizontal expansion of cluster fragmentation. When the amount of data and concurrency is too large, it can be automatically expanded.
  2. The application scenario of data model is flexible and suitable for iterative development.
  3. The inherent advantages of JSON are suitable for the development of restapi and microservices.

Why mongodb was chosen

Function based

Learning record of mongodb master class (day 22)

Scenario based

Learning record of mongodb master class (day 22)

Scene instance

Learning record of mongodb master class (day 22)
Learning record of mongodb master class (day 22)
Learning record of mongodb master class (day 22)
Learning record of mongodb master class (day 22)
Learning record of mongodb master class (day 22)
Learning record of mongodb master class (day 22)
Learning record of mongodb master class (day 22)
Learning record of mongodb master class (day 22)

last

The main content of this section is too theoretical. The next section is the analysis of actual application scenarios, which will continue tomorrow.

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