How to view the table structure in mongodb?

In MongoDB, there is no concept of “tables” like in relational databases, instead data is stored in “collections”. Each document in a collection can have a different structure, so there is no fixed table structure to refer to.

However, you can use the following method to view the structure of the documents in the collection:

1. Use the db.collection.findOne() command to view a document in a collection, for example: db.collection.findOne(), this will return the structure of the first document in the collection.
2. Use the command db.collection.find().limit(1) to view one document in a collection, for example: db.collection.find().limit(1), this will return the structure of the first document in the collection.
3. Use the db.collection.distinct() command to view all unique values of a specific field in a collection, for example: db.collection.distinct(“field”). This will return all the unique values of the specified field, allowing you to understand the structure of the documents by observing these values.
4. By utilizing third-party tools such as MongoDB Compass, users can easily visualize the structure of documents within a collection.

It is important to note that due to MongoDB’s flexibility, the structure of each document can be different, so this flexibility should be taken into consideration when querying the table structure.