PRB: Changing Field Settings of a Table Deletes Relationships

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Steps to Reproduce Behavior

1. Create a database with two tables as follows:

         CREATE DATABASE test
         CREATE TABLE Tst1 (Fld1 c(5),Fld2 c(5))
         CREATE TABL Tst2 (Fld1 c(5),Fld2 c(5))
   						

2. Modify the database and the TST1 table. Set Tst1.Fld1 as the primary key for this table. Save changes and exit the Table Designer.
3. Modify the Tst2.dbf file and set Tst2.Fld1 as the regular key. Save changes and exit the Table Designer.
4. In the Database Designer click on Tst1.Fld1 and drag it to Tst2.Fld1 to create a Parent Child relation between Tst1 and Tst2.
5. Modify the Tst1.dbf file and select the Fields tab.
6. Make any of the following changes to Tst1.Fld1:
   
   
   • Select(check) the NULL option.
   • Change the field width.
7. Save changes and return to the Database Designer.