Chapter 3 : MongoDB Limitations / Topic : Indexes Limit, Capped Collections Limit Maximum Number of Documents in a Capped Collection, Sharding Limitations, Shard Early to Avoid Any Issues, Shard Key CanÃ?¢??t Be Updated, Shard Collection Limit, Select the Correct Shard Key, Security Limitations, No Authentication by Default, Traffi c to and from MongoDB Isnot Encrypted, Write and Read Limitations, Case-Sensitive Queries, Type-Sensitive Fields, No JOIN, Transactions, MongoDB Not Applicable range / Content : Index size , Number of indexes per collection ,Index name length , Number of indexed fields in a compound index , Shard Early to Avoid Any Issues , Shard Key Cant Be Updated, Shard Collection Limit ,Select the Correct Shard Key ,No Authentication by Default, Traffic to and from MongoDB Isnâ??t Encrypted, Case-Sensitive Queries, Type- Sensitive Fields, No JOIN, Transactions