Chapter 22 Processing in the DW 2.0 environment
The distinguishing characteristics of the DW 2.0 environment are the types of data found in the various sectors. In many ways the data and the sectors define DW 2.0. But from an architectural standpoint there is more to DW 2.0 than a data architecture. Another way to perceive DW 2.0 is through the processes found in the various environments or sectors.
There are various types of transactions and processes that run through the DW 2.0 environment. Perhaps the simplest of these transactions is the simple request for data. Figure 22.1 shows a simple request for data.
FIGURE 22.1 A simple access transaction. ...