单选题he data blocks in your form module are based on object tables. How would you create a master-detail relationship between two of these blocks?（）A Use the Data Block Wizard and base the relation on a REF pointer. B In the Object Navigator, select the Rel
题目
单选题
he data blocks in your form module are based on object tables. How would you create a master-detail relationship between two of these blocks?（）
A
Use the Data Block Wizard and base the relation on a REF pointer.
B
In the Object Navigator, select the Relation node under the master block and click the Create icon. Build the relation manually and coordinate the blocks using triggers.
C
Use the Data Block Wizard, and base the relation on the primary key-foreign key relationship in the database.
D
This task is not possible because master-detail relations can be implemented only for blocks based on relational tables.