Question: Consider the two internal organizations for heap files (using lists of pages and a directory of pages) discussed in the text. 1. Describe them briefly

Consider the two internal organizations for heap files (using lists of pages and a directory of pages) discussed in the text.
1. Describe them briefly and explain the trade-offs. Which organization would you choose if records are variable in length?
2. Can you suggest a single page format to implement both internal file organizations?

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