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Turning Spreadsheets into Corporate Data

Turning Spreadsheets into Corporate Data

By : Bill Inmon
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Turning Spreadsheets into Corporate Data

Turning Spreadsheets into Corporate Data

By: Bill Inmon

Overview of this book

Spreadsheets are a popular way to store and communicate business data, but, although they are easy to create and update, they are not reliable enough to be used for making important corporate decisions. With this book, you can gain insight into how to maintain spreadsheets, how to format them, and then convert them into a database of reliable and useful information. Turning Spreadsheets into Corporate Data starts with a quick history of spreadsheet usage. You’ll learn the basics of formatting spreadsheets, including how to handle special characters and column headings, and how to convert the spreadsheet first into an intermediate database and then into corporate data. You will also learn how to utilize the mnemonic dictionary that is created along with the intermediate database. The later chapters discuss the immutability of data and the importance of organizational and political considerations during the data transformation. By the end of this book, you’ll have the skills and knowledge needed to convert your spreadsheets into reliable corporate data.
Table of Contents (16 chapters)
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1
Introduction
14
13: Case Study
15
Glossary
16
Index

Grouping Like Data Elements

One of the many uses of the mnemonic dictionary is in grouping together related data elements. This is especially useful when looking across multiple spreadsheets.

In general, there are two components that are gathered for each record of metadata: the row identifier and the column name. These two elements come from different places in the spreadsheet, and are combined to define a single value of data.

One way that different mnemonics of data can be related (and potentially combined) is through similarity of the column names, as illustrated in Figure 10.1.

Figure030.jpg

The other way that data in the mnemonic dictionary can be related or combined is through similarity of the row identifier, as shown in Figure 10.2.

Figure031.jpg

A third possibility for relating and combining different mnemonic dictionary elements is to use the alternative name to combine completely unrelated elements of data. Figure 10.3 shows this possibility.

Figure032.jpg

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