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To read an SPA/GPA parameter into an ABAP program, use:
Syntax
GET PARAMETER ID <pid> FIELD <f>.
What is the difference between Commit-Work and Rollback-Work tasks ?
-
Commit-Work statement "performs" many functions relevant to synchronized
execution of tasks. Rollback-Work statement "cancels" all requests relevant to
synchronized execution of tasks.
What are the different database integrities ?
-
Semantic integrity
-
Relational integrity
-
Primary key integrity
-
Value set integrity
-
Foreign key integrity and
-
Operational integrity.
What is SAP locking ?
-
It is a mechanism for defining and applying logical locks to database objects.
What does a lock object involve ?
-
The tables
-
The lock argument.
What are the different kinds of lock modes ?
-
Shared lock
-
Exclusive lock
-
Extended exclusive list.
How can a lock object be called in the transaction ?
-
By calling Enqueue <lock object> and Dequeue <lock object> in the
transaction.
What are the events by which we can program "help texts" and display "possible
values lists" ?
-
PROCESS ON HELP-REQUEST (POH)
-
PROCESS ON VALUE-REQUEST (POV).
What are function modules ? Types of parameters ?
-
Function modules are general-purpose library routines that are available system-
wide.
-
In general, function module can have four types of parameters:
-
EXPORTING: for passing data to the called function
-
IMPORTING: for receiving data returned from the function module
-
TABLES: for passing internal tables only, by reference (that is, by address)
-
CHANGING: for passing parameters to and from the function
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