use db1;
db.createCollection("tmp", {size: 20, capped: 5, max: 100});
db.createUser({user:"xxx",pwd:"xxx",roles:[{role:"dbOwner",db:"db1"}]})
use db1;
db.createCollection("tmp", {size: 20, capped: 5, max: 100});
db.createUser({user:"xxx",pwd:"xxx",roles:[{role:"dbOwner",db:"db1"}]})