Load the records of Exercise 17.31 into expandable hash files based on extendible hashing. Show the structure of the directory at each step. Show the directory at each step, and the global and local depths. Use the hash function h(k) = K mod 128.

What will be an ideal response?

Hashing the records gives the following result:









































Computer Science & Information Technology

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Case-Based Critical Thinking QuestionsCase 1-2John is trying to increase traffic through the Web site he created. He also would like to validate the code he developed. He posted several questions he had on one of the online forums and got clear answers from professional Web developers.What organization offers a free HTML or XHTML validation service?

A. the World Wide Web B. an Internet provider C. the W3C D. a hosting company

Computer Science & Information Technology

The ____ primitive data type represents a variable that does not exist.

A. null B. undefined C. string D. Boolean

Computer Science & Information Technology