Red Hat SummitChapter 4. Decision table use case
An online shopping site lists the shipping charges for ordered items. The site provides free shipping under the following conditions:
- The number of items ordered is 4 or more and the checkout total is $300 or more.
- Standard shipping is selected (4 or 5 business days from the date of purchase).
The following are the shipping rates under these conditions:
| Number of items | Delivery day | Shipping charge in USD, N = Number of items |
|---|---|---|
| 3 or fewer | Next day 2nd day Standard | 35 15 10 |
| 4 or more | Next day 2nd day Standard | N*7.50 N*3.50 N*2.50 |
| Number of items | Delivery day | Shipping charge in USD, N = Number of items |
|---|---|---|
| 3 or fewer | Next day 2nd day Standard | 25 10 N*1.50 |
| 4 or more | Next day 2nd day Standard | N*5 N*2 FREE |
These conditions and rates are shown in the following example decision table spreadsheet:
Figure 4.1. Decision table for shipping charges
In order for a decision table to be uploaded in Decision Central, the table must comply with certain structure and syntax requirements, within an XLS or XLSX spreadsheet, as shown in this example. For more information, see Chapter 5, Defining decision tables.
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