15Updating Sets of Data
“It is change, continuing change, inevitable change, that is the dominant factor in society today.”
—ISAAC ASIMOV
Topics Covered in This Chapter
As you learned in Part II, “SQL Basics”; Part III, “Working with Multiple Tables”; and Part IV, “Summarizing and Grouping Data”; using the SELECT statement to fetch data from your tables can be both fun and challenging. (Okay, so maybe some of it is a lot more challenging than fun!) If all you need to do is answer questions, then you don’t need this part of my book. However, most real-world applications not only answer complex questions but also allow the user to change, ...
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