Crystal Reports Online Training

Learn Online, Anytime, Anywhere

Step-by-step tutorials and online videos.

Click Here To Learn More »

13.03 Linking Tables

Linking Tables

Whenever there are two or more tables, they need to be linked so that Crystal Reports knows how they are related. For example, a pet store that wants to print a list of its products by Animal Id needs to build a report using an animal table and a product table. To match the product to the appropriate type of animal, both tables will be linked by the Animal Id. It would be impossible to determine which products are associated with which animal without this link. The Links tab, shown in Figure 13-2, sets the linking fields.

Figure 13-2. The Links tab.

When the Links tab is first displayed, it creates default links. This is the equivalent of Crystal’s “best guess” for the relationships between the tables. In an effort to make it easier for you, Crystal Reports tries to figure out which fields in each table should be linked to each other. It does this based upon indexes and fields that have the same name and data type.

To get the most benefit out of the auto-arranged links, design your tables with field names that use a consistent naming convention and have well thought out...

Get UNLIMITED Crystal Reports Online Training!

Click Here To Start Your Training!

1500+ Tutorial Pages

Complete Crystal Reports Online Training with over 1,500 pages of better than book quality Crystal Reports tutorials.

Step-by-step Online Videos

Learn at your own pace from the comfort of your home! Pause, rewind and watch online training videos anytime!

Online Community

Members-only community where you can post and answer questions. The community is checked on a regular basis by best selling Crystal Reports book author Brian Bischof to help answer your questions.

Cut & Paste Source Code

Save time with simple cut and paste source code you can use right now in your next report!

Click Here To Start Your Training!