CHAPTER 12

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Advanced Data Declaration

In the last chapter, you learned how to create and use a one-dimensional prefilled table. In this chapter, I continue the discussion of the REDEFINES clause and demonstrate how you can use it to create a two-dimensional prefilled table.

When I introduced the REDEFINES clause in the previous chapter, I did so informally. This chapter formally introduces the REDEFINES clause, including the metalanguage syntax and the semantic rules that apply. It also includes several examples of the other ways in which REDEFINES may be applied.

Because the RENAMES clause is similar to REDEFINES, I introduce RENAMES in this ...

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