Importing and Reorganizing Worksheet Data
Worksheets created by Excel and other spreadsheet applications often contain data that is suitable for processing with relational database techniques. The worksheet usually is organized for viewing the data quickly; however, this organization seldom is appropriate for data manipulation by an RDBMS.
STK_20_1 (described in the next section) is an example of a worksheet that is formatted for viewing data. Four rows of 22 columns each contain the equivalent of a database record—all available data for a single stock. This type of structure, where a group of individual rows constitute a database record, is common in worksheet design. This structure differs from the design of a proper worksheet database, in ...
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