Table of contents
1. Start and stop mongodb service
Two, enter the shell operation
3. Commonly used shell commands
1. Start and stop mongodb service
Start: Command: ./mongod -config ../data/mongodb.conf
Shutdown command: ./mongod -config ../data/mongodb.conf -shutdown
Two, enter the shell operation
Command: ./mongo
3. Commonly used shell commands
- show dbs: Displays a list of databases.
- db: display the current database, the default is test
- show collections: Displays the collection of tables in the current database.
- show users: show all users
- use dbName: switch the current database
- db.help(): Display database operation commands
- db.collectionName.help(): Display collection operation commands
1. Create a database
mongodb does not have a command to create a database, if you want to create a database named admin, you need to run use admin first
2. Create a table (collection)
3. Insert data
4. Find all data
5. Query specified data
Find records with gender male
Find records in the specified column
6. Modify data
7. Delete data
8. Delete table (collection)
9. Delete the database
10. Exit the shell
