3024.S08.HW1.KEY - ISE 3024/S08 HW1 KEY 1 of 3 ISE 3024...

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ISE 3024/S08: HW1 KEY - 1 of 3 ISE 3024 Data Management for IEs Spring 2008 Homework Assignment #1 Solution Key (9) 1. Other things to consider: Volume of data – how much data do we expect to work with, e.g., 100 items vs. 100,000,000. Frequency of data access – how often do we access, e.g., hourly vs. monthly. Types of data access – standard vs. ad-hoc queries. Who needs access and where – e.g., engineers, managers, or shop floor workers? At business office, shop floor, or remote site? Speed (ease) of data access – i.e., how much delay can be tolerated? Data integrity requirements – low vs. high. Data storage requirements – e.g., weeks vs. decades. Data security requirements – how important? (10) 2. Fields = ITEM, LOCATION, QUANTITY Data = the item (name), location, or quantity of units for a particular item. Record Type = the labels (identifiers) ITEM, LOCATION, and QUANTITY (all together) Record = the item (name), location, and quantity of units for a particular item (= data row in the list).
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