DOCSP 23684 making sparse index example more consistent (#1442) (#1498)

* DOCSP-23684 making index example more consistent

* DOCSP-23684 making sparse index example consistent

* DOCSP-23684 making sparse index example consistent

Author: ltran-mdb

source/core/index-sparse.txt

@@ -227,16 +227,20 @@ index permits the following :doc:`insert operations
 
 .. code-block:: javascript
 
-   db.scores.insert( { "userid": "AAAAAAA", "score": 43 } )
-   db.scores.insert( { "userid": "BBBBBBB", "score": 34 } )
-   db.scores.insert( { "userid": "CCCCCCC" } )
-   db.scores.insert( { "userid": "DDDDDDD" } )
+   db.scores.insertMany( [
+      { "userid": "newbie", "score": 43 },
+      { "userid": "abby", "score": 34 },
+      { "userid": "nina" }
+   ] )
 
 However, the index *would not permit* the addition of the following
 documents since documents already exists with ``score`` value of ``82``
 and ``90``:
 
 .. code-block:: javascript
 
-   db.scores.insert( { "userid": "AAAAAAA", "score": 82 } )
-   db.scores.insert( { "userid": "BBBBBBB", "score": 90 } )
+   db.scores.insertMany( [
+      { "userid": "newbie", "score": 82 },
+      { "userid": "abby", "score": 90 }
+   ] )
+