Question: Order Table table [ [ OrderNumber , Date,Orderltem,CustomerID ] , [ 1 5 2 1 , 0 6 2 7 ? 2 0 2

Order Table

\

table

[[

OrderNumber

,

Date,Orderltem,CustomerID

], [1521, \frac{06}{27} \frac{?}{2020},

Refrigerator,

1056], [1628, \frac{07}{22} \frac{?}{2020},

Dishwasher,

1331], [1854, \frac{08}{14} \frac{?}{2020},

Microwave,

1331]]

In the table above, which column is considered the primary key?

OrderNumber

Orderltem

CustomerID

Date

$Order Table \table[[OrderNumber,Date,Orderltem,CustomerID],[1521,0627?2020,Refrigerator,1056],[1628,0722?2020,Dishwasher,1331],[1854,0814?2020,Microwave,1331]] In the table above, which column is considered$

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