Dear Readers,
In this article, we will see the following Daily Tips for MongoDB.
Tip-1 : Date: 30-Nov-20 Provided By: Srini Arra
MongoDB is designed to meet the demands of modern apps:
👉 The document data model-presenting you the best way to work with data.
👉 A distributed systems design-allowing you to intelligently put data where you want it.
👉 A unified experiance that gives you the freedom to run anywhere-allowing you to future-proof your work and 4 eliminate vendor lock-in.
Tip-2 : Date: 01-Dec-20 Provided By: Srini Arra
Terminology with RDBMS vs MongoDB:
| DATABASE | DATABASE |
| Tables | Collections |
| Rows | Documents |
| Columns | Fields |
Tip-3 : Date: 02-Dec-20 Provided By: Srini Arra (Linkedin)
👉MongoDB default port is 27017.
👉MongoDb default storage engine: WiredTiger Storage Engine.
Tip-4 : Date: 03-Dec-20 Provided By: Srini Arra (Linkedin)
👉MongoDB stores data records as BSON documents.
👉BSON is a binary representation of JSON(JavaScript Object Notation) documents.
Tip-5 : Date: 04-Dec-20 Provided By: Srini Arra (Linkedin)
👉 MongoDB uses write ahead logging to an on-disk journal for data durability.
👉 Journaling guarantees that MongoDB can recover write operations that were written to the journal
👉 but not written to data files in cases where mongod terminated due to a crash or other serious failure.
Tip-6 : Date: 07-Dec-20 Provided By: Srini Arra (Linkedin)
👉 MongoDB supports compression when using the default WiredTiger storage engine.
👉 Compression reduces storage footprint by as much as 80%.
👉 Default Snappy compression algorithm provides a good balance between high document and journal compression ratio with low CPU overhead.
Tip-7 : Date: 15-Dec-20 Provided By: Srini Arra (Linkedin)
👉 MongoDb allows you localhost exception to create your first database user after you enable the security for MongoDb.
👉 localhost host meaning that you can connect to mongodb from the host where mongodb is running without username and password for first time.
👉 You should only connect from the same host mongodb runs.
Tip-7 : Date: 15-Dec-20 Provided By: Srini Arra (Linkedin)
👉 MongoDb allows two methods to enable internal authentication in replica set or sharded cluster
👉Keyfile authentication
👉 Certificate based authentication
Tip Video Link : https://youtu.be/V6hxQsPig9U
Thank you for giving your valuable time to read the above information.
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