How Stuff and 'For Xml Path' work in Sql Server

Question

Table is:

+----+------+
| Id | Name |
+----+------+    
| 1  | aaa  |
| 1  | bbb  |
| 1  | ccc  |
| 1  | ffffd  |
| 1  | eee  |
+----+------+

Answer 1

In for xml path, if we define any value like [ for xml path('ENVLOPE') ] then these tags will be added with each row: