Describe the main characteristics of the database approach and contrast it with the file-based approach.
What will be an ideal response?
Focus is now on the data first, and then the applications. The structure of the data is now kept
separate from the programs that operate on the data. This is held in the system catalog or data
dictionary. Programs can now share data, which is no longer fragmented. There is also a reduction
in redundancy, and achievement of program-data independence. See also Section 1.3.
Computer Science & Information Technology
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Indicate whether the statement is true or false
Computer Science & Information Technology
In a 2-3 tree, how is the search key of a 3-node related to the search keys in the left subtree, the middle subtree, and the right subtree of the 3-node?
What will be an ideal response?
Computer Science & Information Technology