To get stats about MongoDB server, type the command db. stats() in MongoDB client. This will show the database name, number of collection and documents in the database.

How does MongoDB show collection data?

To obtain a list of MongoDB collections, we need to use the Mongo shell command show collections . This command will return all collections created within a MongoDB database. To be able to use the command, we’ll first need to select a database where at least one collection is stored.

How do I view a MongoDB database?

Use show dbs command from mongo shell to list all the available databases on MongoDB server. This will show the database name with there size. You can select any database using the use statement and work on it.

How do I query a collection in MongoDB?

To query data from MongoDB collection, you need to use MongoDB’s find() method.

How does MongoDB store data?

In MongoDB, data is stored as documents. These documents are stored in MongoDB in JSON (JavaScript Object Notation) format. JSON documents support embedded fields, so related data and lists of data can be stored with the document instead of an external table. JSON is formatted as name/value pairs.

Does MongoDB have tables?

Instead of tables, a MongoDB database stores its data in collections. Each document has one or more fields; fields are similar to the columns in a relational database table.

What is find query in MongoDB?

In MongoDB, find() method is used to select documents in a collection and return a cursor to the selected documents. Cursor means a pointer that points to a document, when we use find() method it returns a pointer on the selected documents and returns one by one.

How do I display data from MongoDB database table in node JS?

  1. Install Express Application. First of all, you have to Install Express Application.
  2. Connect Node. js to MongoDB database.
  3. Create a Model to Fetch Data.
  4. Create a Controller to Fetch Data.
  5. Display Data in HTML Table.
  6. Create a Route to fetch Data.
  7. Include and Use the Router in app.js.
  8. Run Node.js app to Fetch Data.

How do you fetch data from MongoDB in node JS and display HTML table?

How to Fetch Data From mongodb in Node js and Display in HTML (ejs)

  1. Step 1 – Create Node Express js App.
  2. Step 2 – Install express flash ejs body-parser mongoose dependencies.
  3. Step 3 – Connect App to MongoDB.
  4. Step 4 – Create Model.
  5. Step 5 – Create Routes.
  6. Step 6 – Create HTML Table and Display List.

What is special about MongoDB?

MongoDB is highly scalable, using shards. Horizontal scalability is a big plus in most NoSQL databases. MongoDB is no exception. It is also highly reliable due to its replica sets, and the data is replicated in more nodes asynchronously. Nonblocking IO using async drivers are essential in all modern applications that are built for speed.

How do I start MongoDB?

MongoDB runs as a standard program. You can start MongoDB from a command line by issuing the mongod command and specifying options. For a list of options, see the mongod reference. MongoDB can also run as a Windows service. For details, see Start MongoDB Community Edition as a Windows Service.

What is schema in MongoDB?

MongoDB provides the capability for schema validation during updates and insertions. Data Modeling Concepts. The core documentation detailing the decisions you must make when determining a data model, and discussing considerations that should be taken into account.

How do I create a collection in MongoDB?

Below are the two examples to create the collections in MongoDB by using the command prompt in Windows and by using the Compass GUI tool for MongoDB. MongoDB Create Collection Examples. Using MongoDB command line interface. Open the command prompt. Change the directory to MongoDB, for example, C:\\mongodb\\server\\4.0\\bin.