Do you know , what is Double level domain in ABAP ?
1.
Do you know , what is Double level domain in ABAP ?
2. Have you heard of any concept called " loggi " or simillar ...?
Hey Fren,
In the DDIC we have a concept called as dual-level domain.
Let us have an example to get it cleared...
Imagine you need to create Transparent Table with the following fields....
01. Booking_ID
02. Name_of_Person
03. Arrival_Time
04. Arrival_Date
05. Departure_Date
06. Departure_Time
07. Country_From
08. City_From
09. Country_to
10. City_To
11. Price
Now, in this case you need to create 11 domains if there was not a dual-level concept..
But the dual-level concept helps us in having a better maintainability.
In the above example,
|i--------Fields -------|-----DataElements-----|-----Domains-------i|
|i-----------------------------------------------------------------i|
| Arrival_Time | ZTime_1 }_______> Z_Time
| Departure_Time | ZTime_2 }
|--------------------------------------------------------------------|
| Arrival_Date | Zdate_1 }_______> Z_Date
| Departure_Date | Zdate_2 }
|--------------------------------------------------------------------|
| Country_From | ZCountry_1 }_______> Z_Country
| Country_To | ZCountry_2 }
|--------------------------------------------------------------------|
| City_From | ZCity_1 }_______> Z_City
| City_To | ZCity_2 }
|--------------------------------------------------------------------|
| Price | ZPrice }-----> ZPrice
The Fields having Similar Technical Attributes are associated to the same Domain but due to the different Semantic Meaning the Fields are Associated with different Data Elements...
Thus it helps us in Maintaining the Data Elements Centrally ....i.e at the Domain level.....
Hence Dual-Level Domain Concept........
To have some more Information on Domains,
Please refer [http://help.sap.com/saphelp_nw70/helpdata/EN/cf/21ea0b446011d189700000e8322d00/frameset.htm]
Inspire if this helped,
Warm Regards,
Abhi...
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========================================================
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=====================================================
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