Q.What are indexes? Ans: 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. Q.Describe data classes? Ans: Master data: It is the data which is seldomly changed. 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.
Q.What is foreign key relationship? Ans: A 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. Data Element: It is used to describe the semantic definition of the table fields like description the field. It describes the value range of the field. Q.What are domains and data element? Ans: Domains:Domain is the central object for describing the technical characteristics of an attribute of an business objects. Q.What is an ABAP data dictionary? Ans: ABAP 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.
0 kommentar(er)
