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overview please help
Question 1 (1 point) In a three-level DBMS architecture, the layer that interacts directly with the hardware is the level. in
Question 3 (1 point) In a three-level DBMS architecture, the layer that interacts directly with the user is the level. extern
Question 5 (1 point) A unary operator is applied to relation(s) and creates an output of relation(s) two, two one, two two, o
Question 7 (1 point) The operation that takes two relations and combines them based on common attributes is- --- operation in
Question 9 (1 point) Identify the type operation in the following: select attribute-list from Relation1, Relation2 where crit
0 0
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Answer #1

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1)internal

2)conceptual

3)external

4)an attribute

5)One, One

6)???? Option are not visible

7)Join

8)select

9)project

10)print value in A2 and A3 column WHERE column A2 have value 12

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