Chapter 6. Turning Data into Information
After completing this chapter, you will be able to:
Return a value that aggregates data from a table column
Add a column that aggregates data from a table, or from its parent or child table
Build an index-based view of a table
Generate a new table based on a projected view of the original table
After you have joined DataTable instances together in a DataSet, ADO.NET enables a few more features that let you use those table relationships to analyze and select data. These features build upon some of the single-table functions covered in earlier chapters.
This chapter introduces the data-aggregation features included in the ADO.NET Framework, expressions that summarize data across multiple table rows. Although not ...
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