MongoDB — Collections

Create Collection

db.createCollection("users")

List Collections

show collections

Drop Collection

db.users.drop()

Collection Operations

// Rename collection
db.users.renameCollection("customers")

// Get collection stats
db.users.stats()

Create with Options

// Capped collection
db.createCollection("logs", {
  capped: true,
  size: 1024 * 1024,
  max: 1000
})

// Validator
db.createCollection("users", {
  validator: {
    $jsonSchema: {
      bsonType: "object",
      required: ["name", "email"],
      properties: {
        name: { bsonType: "string" },
        email: { bsonType: "string" }
      }
    }
  }
})

Collection Methods

Method	Description
createCollection	Create new
drop	Remove collection
renameCollection	Rename collection
stats	Get statistics

Mini Practice

1. Create a collection
2. List all collections
3. Drop a collection
4. Create with validator

Up Next

Continue with Documents — working with documents.