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S Operational Data Quiz

A combination of one or more columns used to identify particular rows in a is___ .

A combination of two or more columns used to identify particular rows in a relation is________ .

A determinant that determines all the other columns in a relation is______ .

When designing a database, one of the candidate keys in a relation is selected as the _________ .

Normalization is a process used to deal with which of the following modification anomalies?

When you are given a set of tables and asked to create a database to store their data, the first step is to ____ .

Modern microcomputer personal DBMS products______.

Which of the following are true about data mining applications?

We have obtained access to the company's operational data. We examine 50 records for customers with phone numbers that should use the current area code of 345. Of these 50 records, we find 10 that still use an older area code of 567. This is an example

We have obtained access to the company's operational data. We have been asked to produce a report with an item by item analysis of sales, but the only sales figure available is the total sale value for each order. This is example of_____

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