Not to show the detail records even though the mater records are existing.

Dear Oracle
I would like not to show the detail records even though the mater records are existing. Is there any block preperty I can set?
Thanks

I don't know the reason why you would want to do that but if you do not want to any record in the master block in
a master-details format, then you could achieve this by setting the WHERE clause property in the block.
e.g., master block DEPT (base table DEPT) and detail block EMP (base table EMP)
table DEPT is as follow
dept_id (pk)
dept_name
table EMP is as follow
emp_id
emp_name
dept_id (fk)
then you can set the WHERE clause in the DEPT block as follows
exists (select 1 from emp a where a.dept_id = dept.dept_id)
hope this help

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