میانبرهای دستور MongoDB: راهنمای نهایی

mongo --host <hostname> --port  -u  -p  --authenticationDatabase 

show dbs;

use myDatabase;

show collections;

db.createCollection("myCollection");

db.myCollection.insertOne({ name: "John", age: 30 });
db.myCollection.insertMany([{ name: "Jane", age: 25 }, { name: "Doe", age: 22 }]);

db.myCollection.find();
db.myCollection.find({ name: "John" });

db.myCollection.updateOne({ name: "John" }, { $set: { age: 31 } });
db.myCollection.updateMany({ age: { $lt: 30 } }, { $set: { status: "young" } });

db.myCollection.deleteOne({ name: "John" });
db.myCollection.deleteMany({ age: { $lt: 25 } });

db.myCollection.find({ name: "John" });
db.myCollection.find({ age: { $gt: 25 } });

db.myCollection.find({}, { name: 1, age: 1 });

db.myCollection.find().sort({ age: -1 });

db.myCollection.find().limit(5);
db.myCollection.find().skip(5).limit(5);

db.myCollection.updateOne({ name: "John" }, { $set: { age: 31 } });

db.myCollection.updateOne({ name: "John" }, { $unset: { age: "" } });

db.myCollection.updateOne({ name: "John" }, { $inc: { age: 1 } });

db.myCollection.updateOne({ name: "John" }, { $push: { hobbies: "reading" } });

db.myCollection.deleteOne({ name: "John" });

db.myCollection.deleteMany({ age: { $lt: 25 } });

db.myCollection.createIndex({ name: 1 });

db.myCollection.getIndexes();

db.myCollection.dropIndex("name_1");

db.myCollection.aggregate([
    { $match: { status: "active" } },
    { $group: { _id: "$age", total: { $sum: 1 } } }
]);

{ $match: { status: "active" } }

{ $group: { _id: "$age", total: { $sum: 1 } } }

{ $sort: { total: -1 } }

{ $project: { name: 1, age: 1 } }

let post = {
    title: "Post Title",
    content: "Post Content",
    comments: [
        { user: "John", comment: "Great post!" },
        { user: "Jane", comment: "Thanks for sharing!" }
    ]
};

let user = { name: "John" };
let post = { title: "Post Title", content: "Post Content", userId: user._id };

rs.initiate();
rs.add("mongodb1.example.net:27017");
rs.add("mongodb2.example.net:27017");
rs.add("mongodb3.example.net:27017");

rs.status();

sh.enableSharding("myDatabase");

sh.shardCollection("myDatabase.myCollection", { shardKey: 1 });

const session = db.getMongo().startSession();
session.startTransaction();

session.commitTransaction();
session.endSession();

session.abortTransaction();
session.endSession();

db.createUser({
    user: "myUser",
    pwd: "myPassword",
    roles: [{ role: "readWrite", db: "myDatabase" }]
});

db.auth("myUser", "myPassword");