wdberkeley questions

wdberkeley answers

• Text search to return only relevant subdocuments
• How to not insert a field in mongodb if it is null?
• MongoDB: Embedded Array $elemMatch(projection) error issue
• How to access mongo replica set if the majority server are down?
• MongoDB race condition on insert during load test
• Can't access collections and data on mongo though userAdmin
• MongoDB indexing for different datatypes of same key
• Getting a complete object via $max in mongodb aggregation
• MongoDb unique constraints on a Date range
• How to give diagnostic actions listDatabases to a user in mongodb?