MongoDB database operations

 

1, show dbs // show all databases

There are four default MongoDB database:

• Information stored in the database administrator admin
• config store configuration information
• local
• test test database is used by default

 

2, db // display the database currently in use

 

3, use dbname // switch to the specified database. If the database does not exist, it will first be created automatically. This command also create MongoDB database.

 

4, db.dropDatabase () // delete the current database. db. indicates the operation of the current database.