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fields may assume only those values allowed by the value table.
The value range of the domain can be defined by specifying value table.All table fields
referring to this domain can then be checked against the corresponding field of this value
table.In order the check can be executed, a foreign key must be defined for the value
table.
What are matchcodes? Describe?
A matchcode is a tool to search for data records in the system. Matchcodes are an
efficient and user-friendly search aid for cases where the key of a record is unknown.
It consists of two stages one is Match code object and the other is Matchcode ID.
A matchcode object describes the set of all possible search paths for a search term.
Matchcode ID describes a special search path for a search term.
What are ranges? What are number ranges?
It is often necessary to directly access individual records in a data structure. This is done
using unique keys. Number ranges are used to assign numbers to individual database
records for a commercial object, to complete the key. Such numbers are e.g. order
numbers or material master numbers.
How do you validate the selection criteria of a report? And how do you display
initial values in a selection screen?
The selection criteria is validated in the processing block of the AT SELECTION
SCREEN event for the input values on the screen and respective messages can be
sent.
To display initial values in the selection screen:
· Use INITIALIZATION EVENT
· Use DEFAULT VALUE option of PARAMETERS Statement
· Use SPA/GPA Parameters (PIDs).
What is the Client concept in SAP? What is the meaning of Client independent?
In commercial, organizational and technical terms, the client is a self contained unit in
the R3 system, with separate set of Master data and its own set of Tables.
When a change is made in one client all other clients are affected in the system - this
type of objects are called Client independent objects.
What is Internal table?
Internal tables are table objects that only exist for the runtime of the program.
There are several ABAP statements for working with internal tables, for example,
append, insert, delete, or find lines.
The number of lines of an internal table is extended dynamically at runtime as required.
You can use internal tables for table calculations on subsets of database tables. For
example, you can read a part of one or more database tables into an internal table.
They also allow you to reorganize their contents to suit the needs of your program. You
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