In order that other fields are also read, a pointer to the associated record of the actual table are included in the index. This sorting form ease fast access to the field of the tables. Indexes are described as a copy of a database table reduced to specific fields. System data:It is the data which R/3 system needs for itself. Organization data: It is a customizing data which is entered in the system when the system is configured and is then rarely changed. Transaction data: It is the data which is often changed. Master data: It is the data which is seldom changed.
![abap web dynpro abap web dynpro](https://www.tutorialscampus.com/sap-abap/img/web-dynpro.png)
Cardinality mentions how many dependent records or how referenced records are possible. While defining foreign key relationship cardinality has to be specified. Data entered should be checked against existing data to ensure that there are now contradiction. Foreign keys are used to ensure the consistency of data. What Is Foreign Key Relationship?Ī relationship which can be defined between tables and must be explicitly defined at field level. Data element describes how a field can be displayed to end-user. It describes the value range of the field.ĭata Element : It is used to describe the semantic definition of the table fields like description the field.
![abap web dynpro abap web dynpro](https://www.kodyaz.com/images/sap-abap/sap-namespaces-table-for-full-list.png)
What Are Domains And Data Element?ĭomains : Domain is the central object for describing the technical characteristics of an attribute of an business objects. What Is An Abap Data Dictionary?ĪBAP 4 data dictionary describes the logical structures of the objects used in application development and shows how they are mapped to the underlying relational database in tables/views.
![abap web dynpro abap web dynpro](https://i2.wp.com/www.samplecodeabap.com/wp-content/uploads/2014/12/01WDA_Portal01.png)
It is currently positioned as the language for programming SAP's Web Application Server, part of its NetWeaver platform for building business applications.
#Abap web dynpro software#
ABAP (Advanced Business Application Programming) is a high level programming language created by the German software company SAP.