What happens if you attempt to insert the record (Perryridge, A-929, 3000) into the file of as shownbelow?
Answer to relevant QuestionsShow the structure of the file of Figure after each of the following steps:a. Insert (Mianus, A-101, 2800).b. Insert (Brighton, A-323, 1600).c. Delete (Perryridge, A-102,400).Consider a relational database with two relations: course (course-name, room instructor) enrollment (course-name, student-name, grade) Define instances of these relations for three courses, each of which enrolls five ...When is it preferable to use a dense index rather than a sparse index? Explain your answer.Repeat as shown below for a B-tree.Construct a B+-tree for the following set of key values: (2, 3, 5, 7, 11, 17, 19, 23, 29, 31) Assume that the tree is initially empty and values are added in ascending order. Construct ...Consider the account relation as shown below.a. Construct a bitmap index on the attributes branch-name and balance, dividing balance values into 4 ranges: below 250, 250 to below 500, 500 to below 750, and 750 and above.b. ...
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