How to create the column of the table for long-form Master detail relationship

Apex 4.1

Oracle 11g

I created a form master detail and see the main table hotel_list and table hotel_mapping as detailed below.

Hotel_list

ID HOTEL_NAME

1 Holiday Inn

Hotel Hilton 2

Hotel_mapping

ID HOTEL_NAME MAPPING_NAME

1 Inn Holiday Inn Select hotel

2 holiday hotel Holiday Inn Select

3 hotel Holiday Inn Holiday Inn Hotel

4 Hilton Hotel Hilton Hotel chain

Hotel Hilton 5 HiltonHotel

Table Hotel_name Hotel_list is a linked table Hotel_mapping

When I add a line to the Hotel_mapping table for the selected row in the hotel_list table, mapping_name of column is null, therefore impossible to create the relationship between the main table and the secondary table.

I would like to know, how to create the relationship?

Thank you very much

Best regards

Yong Huang,

simple step see creating a form detailed master with APEX - Assistant Master retail

and check how to maintain the relationship between two tables,

simple return the packaged application «Sample of Masters details»

and try to understand this concept...

In your example, use Hotel_list.ID as a foreign key in the table Hotel_mapping

and maintain the relationship with the column ID...

and choose the display type of the column Hotel_list.ID in table Hotel_mapping as List(Query Based LOV) select.

otherwise the best way is to create sample on oracle.apex.com

I hope this helps...

Leave.

Tags: Database

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