Contents
- 1 Which are the most important features of MongoDB?
- 2 How many writes per second can MongoDB handle?
- 3 How can you implement 1 to many relationships in MongoDB?
- 4 What is MongoDB known for?
- 5 How many queries can MongoDB handle?
- 6 Which is the best many-many relationship in MongoDB?
- 7 How to set up the roles in MongoDB?
Which are the most important features of MongoDB?
Let’s take a look at MongoDB’s top five technical features:
- Ad-hoc queries for optimized, real-time analytics.
- Indexing appropriately for better query executions.
- Replication for better data availability and stability.
- Sharding.
- Load balancing.
How many writes per second can MongoDB handle?
MongoDB supports 250 million ticks per second, at 40x lower cost than the legacy technologies it replaced.
How can you implement 1 to many relationships in MongoDB?
One to many relationships with mongoDB can easily be mapped using mongoose. Although MongoDB isn’t a relational database like PostgreSQL, you can still create relationships that are either embedded or referenced. Referenced relationships are more akin to the relations using in relational databases.
How do relationships work in MongoDB?
Relationships in MongoDB represent how various documents are logically related to each other. Relationships can be modeled via Embedded and Referenced approaches. Such relationships can be either 1:1, 1:N, N:1 or N:N. Let us consider the case of storing addresses for users.
What is MongoDB and its key features?
MongoDB is an open-source document-oriented database that is designed to store a large scale of data and also allows you to work with that data very efficiently. It is categorized under the NoSQL (Not only SQL) database because the storage and retrieval of data in the MongoDB are not in the form of tables.
What is MongoDB known for?
MongoDB can be used as a file storage system which is known as a GridFS. MongoDB provides the different ways to perform aggregation operations on the data like aggregation pipeline, map reduce or single objective aggregation commands. MongoDB can store any type of file which can be any size without effecting our stack.
How many queries can MongoDB handle?
On MongoDB, connections are a lot lighter and we set the limit at 5000. That’s across the database as a whole, not particular portals. So, with 5000 connections it should be pretty hard to hit the limit and if you do, chances are there’s something up with your application.
Which is the best many-many relationship in MongoDB?
Many-Many relationship in MongoDB. This is the most normalized and best form to represent many to many relationship data model. This is the most normalized and best form to represent many to many relationship data model.
How to use many to many Association in MongoDB?
For instance, the uses of a “Users in Roles” domain follow: Role – Create, Read, Update, Delete, List Users, Add User, Remove User, Clear All Users, Index of User or similar to support “Is User In Role” (operations like a container + its own metadata).
What can N1QL do If MongoDB is the only option?
N1QL allows for most if not all SQL operations including aggregration, filtering, etc. If MongoDB is still the only option, then I’d like to go back to my point that the application should take precedence over the structure of data.
How to set up the roles in MongoDB?
Depending on your query needs you can put everything in the user document: If you want to maintain the roles in separate documents then you can include the document’s _id in the roles array instead of the name: and set up the roles like: