Dialog, Update, Locking & Output Processing

Which report is used for update reorg, and which option is dangerous in production?

What is transaction SM13 used for?

Is update load balancing on by default, and how do you restrict requests to specific servers?

How does a V2 update differ from V1 in terms of LUW division and locks?

What does the rdisp/vbdelete parameter control, and what is its default?

At what point is a lock handed over from the dialog process to the update process?

With load balancing configured, how does the logon connection process differ, and how is the binding after logon?

What is the difference between the Problem and Error statuses of a spool request?

Why are SAP locks called "logical locks", and how do they relate to database physical locks?

What is a physical spool server, and which parameter sets its process count?

What print-timing options are there when creating a spool request?

What do the values 1 and 2 of rdisp/vb_delete_after_execution mean?

Which transaction is used alongside SM13 to read error codes when troubleshooting updates? Give a few codes.

In SM12, what do the black and blue lock entries represent?

What do the _SCOPE values 1, 2, and 3 decide about who owns a lock and when it is released?

What is an LUW (logical unit of work), and how does it end?

Which platforms do local access methods L and C serve, and what are their pros/cons?

Where is the lock table held, and why is it not in the database?

What characterizes a V1 update (processing, commit, locks)?

Which access method is used for frontend printing, and what are its limitations?

What lock-related limits does enq/server/schema_0 configure, and which old parameter did it replace?

Before force-deleting a lock in SM12, what should you check first?

Which two transactions manage spool/output requests, and how do they differ?

What is the default value of enque/process_location, and what does it mean?

When a user logs on, how does the dispatcher assign them a dialog work process?

What are the four ACID properties that an LUW follows?

What problem does the Printing Assistant for Landscapes (PAL) solve?

Which transaction manages lock entries, and what is its alias?

Why can a logical spool server be built in the dev system and transported to others, and what is the cost of enabling load balancing?

In SAP, what decides the update method (synchronous/asynchronous/local), and can the user choose it?

What does a device type describe, how many ship with the system, and what if yours is missing?

Why does printing take two steps, and what does the spool request vs output request each hold?

How is a V3 (collective run) update triggered, and how does it appear in SM13?

Which parameters set the number of UPD and UP2 processes, and what is the initial sizing guidance?

Why are locks handed to the update written to a backup file, and which parameter specifies it?

What do the remote access methods U and S correspond to?

Through what object does ABAP implement locking, and which two function modules are auto-generated for it?

Which access methods are used for external output management (OMS) and email?

What does each of the four core update tables store?

Which transaction checks TemSe consistency, and which tables does it compare?

What routine checks should be done to operate the enqueue lock system, and what tool diagnoses it from the command line?

From S/4HANA 2020 on, which kind of parameter should control the dialog step runtime timeout?

Which parameter sets the TemSe storage location, and what does each value mean?

When creating a custom device type, why must you not edit the SAP standard type directly, and what is the right approach?

How does a logical spool server improve availability and do load balancing, and which transaction creates it?

What is transaction SM14 (Update Program Administration) for, and what do you do after updating is auto-deactivated?

What is multiplexing in dialog processing?

Since a work process is not bound to one user, what mechanism preserves context between dialog steps?

Why is an update system needed instead of letting the DIA write to the database at the end of each dialog step?

What is the difference between immediate/local and deferred update?

How are locks passed between the dialog process and the update process?

What notification does a user get when an update fails, and how do global and local errors differ?

What do lock modes S, E, X, and O mean?

What is the difference between synchronous and asynchronous update?