mongodb常用命令

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db.createUser(
 { 
   user:"root", 
   pwd:"123", 
   roles:[{role:"root",db:"admin"}] 
 } 
)

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db.createUser(
 { 
 user:"root", 
 pwd:"123", 
 roles:[{role:"readWrite",db:"app"}] 
 } 
)

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db.system.users.find().pretty()

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db.updateUser("admin",{pwd:"password"})

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db.system.users.remove({user:"app1"})

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db.createCollection("runoob")

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#app为库名
db.app.insert(
   {
    key1: "value1",
    key2: "value2"
   }
)

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db.app.find().pretty()

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db.serverStatus().connections