Mongodb learning chapter: introduction after installation lesson 1

start-up mongodb

Enter the installation mongodb Of bin Catalog

mongod --dbpath D:\frontapplication\mongodb\data\db

Enter the address http://localhost:27017/

Now explain mongodb Service started

stay bin Open another one DOS window , Do not close the startup service window ！！

Database related operation commands

view the database

show dbs;

Create database

use note_list;

Create a library when the database does not exist , Switch the database when it exists

View the current database name

db;

You can see that the newly created database does not exist in the database , To view, you need to insert a piece of data into the database

Insert a data command into the database

 db.note_list.insert({
 title:'Hello Vue, Introduction lesson one ',
 date:'2022-03-01',
 content: 'XXXXXX excellent ！'
 });

Create set

//db.createCollection(name, options)
 db.createCollection('lists');

View set

show collections;