Merge branch 'master' of https://github.com/Apereo-Learning-Analytics-Initiative/OpenLRW

Author: xchopin

docs/administrator/mongo_indices.md

@@ -7,7 +7,7 @@
 
 
 
-| :warning:   | For the fastest processing, ensure that your indexes fit entirely in RAM so that the system can avoid reading the index from disk. |
+| :warning:   | For the fastest processing, ensure that your indices fit entirely in RAM so that the system can avoid reading the index from disk. |
 |:----:|:----|
 
 ## Why indexing my collections?
@@ -46,14 +46,15 @@ The concept of an index in MongoDB is the same as in relational databases. An in
 |:-----------:|:----------------------------------:|
 |     user    | userSourcedId, orgId, tenantId     |
 |  line_item  | lineitemSourcedId, orgId, tenantId |
-| primary_key | result.sourcedId, orgId, tenantId  |
+|composite_key| result.sourcedId, orgId, tenantId  |
+| most_recent |    result.date, orgId, tenantId    |
 
 <br>
 
 ### MongoUser
 |    Index    |               Keys               |
 |:-----------:|:--------------------------------:|
-| primary_key | user.sourcedId, orgId, tenantId  |
+|composite_key| user.sourcedId, orgId, tenantId  |
 
 
 <br>