vault backup: 2022-06-13 13:24:25

content/notes/i201-practice-2.md

@@ -0,0 +1,19 @@
+---
+title: "i201-practice-2"
+aliases: 
+tags: 
+
+---
+
+# Section A
+## 1
+a) a member of staff can book and appointment. when this occurs the staff member can optionally add a new customer
+b ) a member of staff can book and appointment. when this occurs the staff member must also add a new customer
+b ) a member of staff can book and appointment. when this occurs the staff member must add a new customer before the appointment is created
+
+## 2
+a) this could cause an update anomly. this is because there is reduncancy as same product is stored in the database twice
+b) the database should be normalised to remve the redundancy. it could be separated into three entities: store, product, and an associative entity
+
+## 3
+

content/notes/i201-practice.md

@@ -5,7 +5,6 @@ tags:
 
 ---
 
-
 # Section A
 ## 1
 a) sequence diagram - to document a *sequence* of particpant interactions required to carry out a use case
@@ -49,3 +48,4 @@ use predictive when
 
 # Section B
 ## 8
+