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1. Consider the following tables. Indicate whether the table is a relational table. Why or why not? If it is not a relational table, correct

1. Consider the following tables. Indicate whether the table is a relational table. Why or why not? If it is not a relational table, correct the table.

table I

A (key)

B

C

2

400

1

44

721

2

51

256

3,4

table I

A (key)

B

C

D

2

101

101

220

4

NULL

102

250

6

400

104

245

table II

E (key)

A (refs table I)

1

2

3

4

5

4

7

NULL

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