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# Admin user full
use admin
db.createUser({user:"admin", pwd:"admin", roles: ["userAdminAnyDatabase", "clusterAdmin", "dbAdminAnyDatabase"]})
# list all dbs users
db.system.users.find()
# Create user, don't forget to use the correct database
use <db_name>
db.createUser({user:"root", pwd:"root", roles: ["readWrite"]})
# Create use in another database:
use madbtest
db.createUser({user:"admin", pwd:"vIhVPwy81sdf5fPt3a2", roles: [{role: "readWrite" , db: "madbtest"}]})
# udpate pwd
db.updateUser("username", {pwd: ""})
# mongoshell get schema collection
# Source: https://medium.com/@ahsan.ayaz/how-to-find-schema-of-a-collection-in-mongodb-d9a91839d992
function printSchema(obj, indent) {
for (var key in obj) {
if(typeof obj[key] != "function"){ //we don't want to print functions
var specificDataTypes=[Date,Array]; //specify the specific data types you want to check
var type = typeof obj[key];
for(var i in specificDataTypes){ // looping over [Date,Array]
if(obj[key] instanceof specificDataTypes[i]){ //if the current property is instance of the DataType
type = specificDataTypes[i].name; //get its name
break;
}
}
print(indent, key, type) ; //print to console (e.g roles object is_Array)
if (typeof obj[key] == "object") { //if current property is of object type, print its sub properties too
printSchema(obj[key], indent + "\t");
}
}
}
};
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