After changing the document, click the UPDATE button to save the changes.MongoDB and macOS make a complementary duo. There will popup Add Field After menu item.
Just click the edit button on the record right side, then click the plus button at each line beginning.
After inserting a document, you can edit the fields in the document. Click the database user_account in the left panel to go into it, then click user_account collection, now you can insert, update, delete or query documents in it. In this example, I create a database user_account and the collection name is the same. After successfully login, you can click the Databases tab Create Database button to create a database. Select None in the Authentication drop-down list then click the Connect button. The database connection properties include Hostname ( localhost ), Port ( 27017 ), SRV Record, Authentication ( None ), Replica Set Name, Read Preference ( Primary ), SSL ( None ), SSH Tunnel ( None ), Favorite Name. Click the New Connection item in the left panel, then you can input the connection properties data in the right Connect to Host panel. It will open the MongoDB Compass – Connect dialog window. It will add an icon to the macOS desktop, click the icon to open it. Download Compass to a local folder and install it. Besides command, you can also use MongoDB GUI client MongoDB Compass to manage the NoSQL database. # get the documents saved in this collection. You can run the command mongo in a terminal to connect to it. Now the MongoDB server has been started successfully. The DB server used default port number is 27017. Now run mongod command in terminal again, the MongoDB server will start successfully. Create the /data/db folder with the below command in the terminal. exception in initAndListen: NonExistentPath: Data directory /data/db not found., terminating 
If you meet the below error message, that means it can not find the /data/db folder, MongoDB needs this folder to run. Open a terminal and run mongod command in it. # Display new environment variable to verify the PATH value has been changed. # Make environment variable change take effect. # Edit user profile file, add Mongodb bin folder to the PATH env variable value. Add MongoDB bin folder into the PATH environment variable value with the following steps in the terminal. Unzip the download file to a local folder. Download MongoDB for the macOS version.
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