MongoDB Learning (ii)

History:

MongoDB is a document-oriented database. It provides document-oriented storage.

The concept of no relationship in MongoDB

Functional Features:

1, support special query support regular expression search

2. You can index any field in the document

3, Support master-slave replication host support read and write slave from the host to copy data from the machine can only be used for reading or backup

4, replication data can be run on multiple servers, and in the case of hardware failure to maintain its operational status

5. The data is stored in fragments and therefore has an automatic load balancing configuration

6. Use internal memory to store working set, which is the reason for its quick access

Usage scenarios:

1. Large and complex data

2. Mobile and social infrastructure data

3. Content Management and delivery

4. User Data Management

5. Data center

MongoDB Learning (ii)