Answered: You are a graduate student working in a…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Case Study:

You are a graduate student working in a lab where data are accumulated for the purposes of measuring the
optical absorption of a variety of samples. For each sample there is a large data file stored on a computer
in the lab. In reviewing a lab notebook from one of your predecessors in the lab and comparing that to data
published by the lab, you find a gap. That is, some of the data that were published are not accounted for in the lab notebook. Furthermore, you are unable to locate the computer files for this missing data. You talk to a fellow graduate student about this situation, and he tells you that you should be very concerned about the situation and that it should be reported.

Q. What are some possible situations that could explain the “missing” data, and how should you proceed for each?

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