Database-Relationship.md

@@ -25,4 +25,5 @@ Then we make some changes to the database.
 3. Add the new element count in s_course.
 
 In the following picture, the turquoise part is the new element and the turquoise relation line is the new relationline.
-![Relationship2](uploads/93bbf3cd173d42cd1cbcbe9e88d56e4a/Relationship2.png)
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+![Relationship2](uploads/93bbf3cd173d42cd1cbcbe9e88d56e4a/Relationship2.png)
+### author: Xuan Wu
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