Using the ERD diagram above, explain what would happen if the minimal cardinality was changed to “1” for Raw Materials.  (i.e., the relationship becomes "raw materials are used in 1 to many items.”). Please note that the current ER diagram shows the following relationship, “raw materials are used in 0 to many items.”

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Using the ERD diagram above, explain what would happen if the minimal cardinality was changed to “1” for Raw Materials.  (i.e., the relationship becomes "raw materials are used in 1 to many items.”). Please note that the current ER diagram shows the following relationship, “raw materials are used in 0 to many items.”

Item
Production_Units Sa
integer(10)
N
integer( 10) N
No_of_Items_Needed integer(10) N
Item_Number
item_Number
integer(10)
Create_Date_d
date
Serial
integer(10)
I exact_Weight_un integer(10)
ProductType_p
ProductDesc_d
Quality_Test
Cost_of_Materials
varchar(255) N
varchar(255) N
double(10)
Raw Materials
item_Number
integer(10)
Material_ID
integer(10)
O Type
D UnitCost_per_item numeric(19, 0)
varchar(255)
zzzz
Transcribed Image Text:Item Production_Units Sa integer(10) N integer( 10) N No_of_Items_Needed integer(10) N Item_Number item_Number integer(10) Create_Date_d date Serial integer(10) I exact_Weight_un integer(10) ProductType_p ProductDesc_d Quality_Test Cost_of_Materials varchar(255) N varchar(255) N double(10) Raw Materials item_Number integer(10) Material_ID integer(10) O Type D UnitCost_per_item numeric(19, 0) varchar(255) zzzz
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