Databases

Question 1
The physical location of a record is determined by a mathematical formula that transforms a file key into a record location is:
A
B-Tree File
B
Hashed File
C
Indexed File
D
Sequential File
Question 1 Explanation: 
Hash File organization method is the one where data is stored at the data blocks whose address is generated by using a hash function.
Question 2

Which of the following is not a logical database structure?

A
Chain
B
Network
C
Tree
D
Relational
Question 2 Explanation: 
Chain is not a logical database structure.
There are 2 questions to complete.

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