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how can a lock object be called in the transactionby calling enqueueltlock objectgt and dequeueltlock objectgt in the
what are the different kinds of lock modesthere are three types of lock modes-shared lockexclusive lockextended exclusive
what does a lock object involvethe tablesthe lock
what is sap lockingit is a mechanism for describing and applying logical locks to database
all sap databases are relational databases is the all sap
what are the different database integrities semantic integrity relational integrity primary key integrity value set integrity foreign key integrity
what is the difference between commit-work and rollback-work taskscommit-work statement performs many functions relevant to synchronized execution of
sap system configuration includes it includes -a dialog tasksb update
what is the difference between synchronous and asynchronous updates a program asks the system to perform a particular task and then either waits or
what are the modes in which any update tasks work synchronous and
how the transaction that are programmed by the user can be protected by executing an authority
what happens if we use leave to list-processing without using suppress-dialog if we dont use suppress-dialog to next screen will be viewed but as
how is the command suppress-dialog usefulsuppressing whole screens is possible using this command this command permits us to perform screen
when will the current screen processing terminates a current screen processing terminates when control reaches either a leave-screen or the end of
what is the use of the statement leave to list-processingleave to list-processing statement is used to make a list from a module pool leave to
what are the two ways of producing a list within a transaction by submitting a separate reportby using leave to
differentiate between static and dynamic step loops step loops fall into two classes static and dynamic static step loops have a fixed size that
how can we declare a table control in the abap4 programusing the syntax controls lttable control namegt type tableview using screen ltscr
the field sy-stepl refers to the index of the screen table row that is presently being processed the system variable sy-stepl only has a meaning
why do we need to code a loop statement in both the pbo and pai events for each table in the screen we require coding a loop statement in both pbo
what are the dynapro keywordsfield module select values and chain are the dynapro
how can we use display table in a screen abap4 offers two mechanisms for showing and using table data in a screen these mechanisms are table
what are the restrictions on subscreenssubscreens have various restrictions they cannot set their own gui status have a named ok code call
what is a screen group how it is usefulscreen group is a field in the screen attributes of a screen here we can explain a string of up to four
what are the attributes of a field that can be activated or deactivated during