A data definition file is a tab
For complete information on creating data definition files, see Creating Data Definition Files. Crystal Reports installs a sample data definition file in the \Program Files\Seagate Software\Crystal Reports directory on your system. This file is named ORDERS.TTX and can be used with the Orders table in the XTREME.MDB sample database or the Xtreme sample data ODBC data source that was created when you installed Crystal Reports.
The following is an example of how fields are defined in a data definition file:
Order ID Long 1 Customer Name String 50 Sample string value Order Date Date Jan 5, 2000 Order Amount Currency $1.00
The Active Data Driver supports the following data types in a data definition file:
Note: The data type BLOB is supported when connecting to RDO, ADO, DAO and the data control at runtime but not when connecting to CDO.
Although data definition files can be created manually using a text editor such as Notepad, Crystal Reports provides tools for simplifying the process. Each tool has its advantages. Review the process for using each tool described below to determine which best suits your own environment and development process.
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