菜鳥資料庫：Terminal Manage DB ٩(-๑ -)۶

以下是我的實際ＬＡＢ畫面.

用英文練習打日記,,, 因為我時間很多 .

Before Manage DB need parper Model :
mongoose schema( ./model/todo.js) and Controller setting ( project/app.js)

https://medium.com/@placid_olivine_mink_632/install-robo-3t-software-de34a10f77a9

Robo 3T install :

MongoDB SERVER of GUI

Manage DataBase

Add Data

copy guide statement

> use test     //switched to db test 
> db.haha.insert ({ name : 'javasix'})   
              // haha is your collection name 
              // sometime auto give name from DBname + s 
If apper : WriteReault ({ "nInserted" :1 }) 
            // feedback is mean data success build 

Modify Data

Use . update and $set , to modify data .

e.g : 
db.haha.update({"_id":("5exxfa")},{ $set:{name:'I have modify..'} })

Remove Data :

e.g :
db.todos.remove({"_id": ObjectId('5eXXXfa')}).  
// have delet id //

After Remove command , id have delete .

Add most file :

Create seeder

e.g :   
./models => mkdir seeds 
./models / seeds / ==> touch todoSeeders.js 
code todoSeeders.js  

for ( var i =0 ; i <10 ; i ++ ) {  //basic cycle funcation 
Todo.create( {name:'Barry'+i } )   //Todo is mudole 
}