Client deletion good practices

Good morning everyone,
I am after "best practices" when deleting a client.
I am not planning on re-using some of the deleted clients and want to make sure the landscape is cleaned up where possible with reference to these clients.
I am especially after anything that would take up space at the OS or database level that would not necessarly be cleaned up via SCC5.
Has anyone got recomendations on what can and should be cleaned up before and after a client deletion?
For example I have cleaned up WE20-WE21, the RFC...
The logs are still there under SCC3, usefull for historical purposes, but really should they been retained?
Thank you
Coco

Hello
You need to clean up all client dependent transport request Also you need to clean up the queues which are client dependent
thanks
atul

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Is VHDX for data drive considered good practice on a client PC?

Hi!
I don't like putting user's data files (documents, etc.) inside the user's Documents directory on C:. Instead I prefer having them on a D: disk, separate from the OS. On the other hand I don't want to create a fixed size partition as I consider it a waste
of space, especially when everything is on a rather small SSD.
Therefore, I consider creating a virtual hard disk (VHDX) on my C: drive and making it dynamically expanding. This would allow me to store data on that "separate" disk which is actually an expanding VHDX file on C:. One problem is that for some
unknown reason Windows 8.1 is not able to auto-attach such disks on startup, but I have seen some workarounds to auto-mount them through tasks.
My question is the following: Is it considered good practice to put all data files on such a dynamic VHDX instead on a separate partition? Reading the VHDX explanations it looks like this file format is very stable (even in case of power loss) and is widely
used in virtual servers. Performance should be also very good. Therefore I don't see any reason to not use it for my data drive. Or are there any drawbacks?
Thanks in advance for any help.
Best regards,
Anguel

Hi,
Since the VHDX is created on C which should be the system partition, I don’t think it is more safety than separate partition.
Please consider that once the system corrupted and we have to format the C to reinstall the System, it may be difficult for us to recovery the date. But the separated partition will be easily stayed without changes.
You can try to shrink the C volume in Disk management to create a new partition.
Just my thought.
Kate Li
TechNet Community Support

JTable: RFC on good practice (SQL queries from cell editor)

I usually add/remove/edit JTable data from an external panel. But in this scenario, my client would like to be able to click on the first column of an empty row and enter a product number. Within the cell editor, I must make an SQL query to the database in order to determine if the product number is valid and if so, use part of the SQL data to populate other cells of the current row (like product description).
My problem is that this just doesn't seem right! Isn't the cell editor executed on the only Swing thread? Also, if the product number is not valid, I correctly implement the stopCellEditing() method but for some reason, you can still navigate the table (click on any other cell or press the TAB key, etc)... weird!!
Does anyone have a good practice on how to perform the SQL query in a better place and force a cell to be selected until you enter a valid number or press the CANCEL key?
I was looking at implementing the TableModelListener's tableChanged(...) method but I'm not sure if that would be a better place either.
I personally would edit outside of the table, but good practice seems hard when the requirement is to edit from a cell editor!!
Any suggestion would be greatly appreciated!
Thanks!

maybe you could write an input verifier for the column that does the query and rejects invalid entries.
maybe you could send the query off in a worker thread.
as far as making the table so you can't select any cells, hmm. not sure.
you could disable
.setEnabled(false);the table until the query comes back, something like that.

Is that a good practice to use syncronize methods for application scope cls

Is that a good practice to use synchronize method in a application scope class, so I have a doubt, there a is class A, it has application scope and it contains a synchronized method add, so because of some network traffic or any unexpected exception client1 got stuck in the method, will that add method available for any other client...?
Edited by: navaneeth.j on Dec 17, 2009 4:02 AM
Edited by: navaneeth.j on Dec 17, 2009 4:04 AM

If it needs synchronization, then it probably doesn't belong in the application scope. Either keep it as is, or reconsider the scope, or make it static.

GOA - Good practice in your projects

Hi All
Are you changing the following things in your GOA ?
1.Target value of contract - Intially you create a contract for 10,000 INR and later can you change the same contract to 99,9999 INR? i think it is allowed is srm
2.Can you change the Contract validity date ? iniatiially you create a contarct validity date is 2009.09.01 and later can you extend the contract validity date to 2010.12.12 ?
Ability to extend the contract ?
Abiility to change the target value data ?
Are you do maintance of contract ?
What piece of data buyr many change after creaing original goa ? for eg. set inactive material . what piece of data buyer may change in your account?
Are these standard SRM allows?
br
muthu

It depends on how the client/company wants to use this option. If we assume that there are no other measures to assure the validity of the contract terms then it is not a good practice.
The option to change is there because it is possible some buyers negotiate or renegotiate contract terms offline and not through an RFQ. We cannot assume that the contract terms, once negotiated, will be constant and that negotiations always happen through SRM - need not be an RFQ (not in all companies).
Ofcourse this puts the responsibility on the buyer to make sure everything is correct and as agreed with the vendor. It provides the flexibility. In the end, the buyer is responsible for maintaining the contract anyway.

Applet+servlet+good practice

Hi there,
I'd like to know what is of "good taste" when it comes to transfer data between servlet and applet : using vector to carry the data or by some way transfer the resultset itself ?
Or better : some sort of xml that would allow the end user to work disconnected from the servlet, do its changes when traveling (hope it's not by plane these times...) and then back to the office by some usual conciliation mechanism update the database ....?
Currently i'm using the firs method, but, not sure it's the best way
Any good practical (already improved) idea ?
thanks and welcome to all

I think the better way is to transfer XML data, because this way you are free to implement a client in a different language, not only java. XML is a standard for the interexchange of data between different platforms and different languages. I think it's the best option. But it has disadvantages too. You transfer more data than strictly necessary by the web and transfer times are higher, so if you are looking for efficiency, you should think in propietary formats of information (compressed...).
I hope this helps you, and sorry about my English.

What is a good practice to handle LOV in jdev apps?

Hi, experts,
In jdev 11.1.2.3,
In our projects, there are many LOVs which the value are stored in a common dictionary table, for example in table refcode:
refcode(id, low_value,high_value,meaning,domain_no),
Different LOVs will retrieve value pairs(low_value,meaning) , or (high_value,meaning) from refcode table by using domain_no as the filtering criteria.
In the end user's UI, the code/number field values should be displayed by a meaning word from refcode,
To accomplish this goal, I will create numberous associations between different tables with refcode,
and create VOs to have refcode entity view as a secondary entity view.
I feel some odd in doing so(because so many associations with the same refcode table),
Is that a good practice to handle LOV this way ?
Thanks.

On Fusion Developer's Guide for Oracle Application Development Framework
10.3 Defining a Base View Object for Use with Lookup Tables
(http://docs.oracle.com/cd/E37975_01/web.111240/e16182/bclookups.htm#BABIBHIJ)
10.3.3 How to Define the WHERE Clause of the Lookup View Object Using View Criteria
There are valuable information and suggestions on implement lookup features, especially by using view criteria
(the View Criteria and View accessor is one of important and great idea in ADF)
I think, by using of view criteria, the derivative attribute to display fk information can be implemented in a convinent way without FK associations definition.

Client deletion taking long time....

Hi All,
I have been going through tough times in SAP ECC right now.
I am doing a client deletion using SCC5. Total entries in tables were 58514.
It was going fine till it reached 58504. From then onwards, the tables SAP is deleting are having crores of entries, which is why it is taking time.
My question here is, Is their any way by which we can delete the entries fast?
Like from Database level. Database iam having is Oracle. Can we run any sql delete command to delete entries from backend while SAP client deletion is in progress.
Its been 3 days since i have started client deletion and it is very frustrating now.
Could anyone of you please help me with this?

Hi,
Thank u all for helping me out....
Well i am done with Client deletion....I deleted the entries from SQL level.
My client deletion is completed but with dictionary errors.
There are around 3-4 tables in which maximum of 100 entries are still remaining.
Now my doubt is whether i should go ahead with client copy or not?
If yes, please assist me with steps before starting copy, so that it doesnot take much time similar to client deletion (6 days)..
Regards,
Vikram

Table space and recollection of released space after client deletion

Dear All,
I have two questions:
1.Can any1 tell me how to determine the fastest growing table and how to reorganize table space.
2. Is there any way by which we can recollect the space released:say after client deletion. I had deleted one client two weeks back and when I saw the SAP/user drive I fow free space available remains the same.
I searched but found no relevant clue.
regards,
Ashutosh

1.- You can see the largest table report in ST04 (as far as i remember)...
2.- You can reorganize your db using brtools - brspace...
Read,
http://help.sap.com/saphelp_erp2004/helpdata/en/32/0d0c888839164ba4245b3ff7969c59/frameset.htm
Regards
Juan

FREE SPACE COLLECTION AFTER CLIENT DELETION

Hi,
I delete a client but there is no effect on the database size.... means all the table space are having the same size as before client deletion...
What to do... to recollect all the free space after client deletion...???
Regards,
Neehir Bhatt

Hi,
Use brtools to reduce the tablespace size.
http://help.sap.com/saphelp_nw04/helpdata/en/a7/8db6c2ebc5384eb82e5f99e49600d6/content.htm
Regards
Ben

Client Deletion Takes long time

Hi All,
Need help, Every month in our quality system we do client refresh so we delete existing data from quality and take export from production and Import into quality.Client Import takes 15 hrs but to delete client it almost takes 36 hrs. There are PCL4/2/1 tables which takes more time to delete the data even not sure they will delete all the data.Looks like these are cluster tables so what can be do to have more optimize client deletion.
To delete client from OS level is is safer side? What can be other ways...?

Hi
PCL4 is not a cluster, at least on Ehp6 at DB level it is a transparent table, that means that the table does exist at both SAP & DB level.
There is a way to process deletion faster, at least for Oracle (but it could also work for other DB)
Create a new temporary table table with a CTAS command (copy table as select) to only include the data for the clients you want to keep.
You can then drop the original table and rename the temporary table to the original name.
Watch out CTAS does not copy indexes, constraints and default values.
If you are using Oracle DB datapump query parameter can be the best option.
You could export the data for the client you want to keep (setting a "query" option like query=" where MANDT in ('200', '300')") , truncate the table and import back the data.
The point here is that copying / inserting new records is faster than deleting.
Regards

Client Deletion Status | CANCELLED

hi all
maybe someone has experienced this problem, a little assistance please
TIA
Client to be Deleted
600
Copy Type
Delete Complete Client
Status
Cancelled
User
SAP*
Start on
06.11.2009 / 13:48:31
Last Entry on
06.11.2009 / 13:57:39
Last Action:
Copy/Delete Tables
- Table Being Edited:
BFOD_A
Statistics for this Run
- No. of Tables
6707 of 54438
- Number of Exceptions
11
- Deleted Lines
0
Check System Log (SM21)

Hi,
First clarify:
Are you able to login into client 600?
Do you want to login into 600, already deleted client?
do you want the root cause, why this was cancelled?
What wil happen if it cancelled in between?
I would suggest you to have a brief detail about Client deletion in client maintanance.
Regards
Nick Loy

Overloaded methods-yes or no & is this a good practice

say i have two methods with the same name that take in the same parameters and have the same return type. the difference between the two is that one is static while the other is not. Also the methods contain different codes.
are the methods going to function normally when i use em? also if they do function normally, is this essentially a good practice?
if code is needed to answer this, please do mention it and i will think of a mini scenario where this can be applied and write a small piece of code for that.
thanx. help will be appreciated.

avi.cool wrote:
duffymo wrote:
each account has its own password that the user sets when the account is created-this password is declared as a state variable in the class file. One password per account? A bad model, IMO. My on-line banking software associates credentials with me, not my accounts. I see several accounts when I log in, and I don't have to log in individually for each one.
besides that, theres also a bank password-this is declared and initialized as a static state variable in the class file. some of the operations require the bank password for access while others require account password.Static bank password? I'm very glad this is a throw-away student exercise, because you have no idea what you're doing.hahaaa, tru tru, its for a skool assignment for my first ever programming course. though not a throw away, i putting a lot of work into this :-) i m not actually trying to resolve any security issues here or strengthen account security. basically, I am only trying to exhibit a tiny bit of creativity while showing understanding of course contents. so nothing to stress on :-D i know not very creative but its all i got at this stage.
i was trying to exhibit the use of overloaded methods in my program by having method to check the password that the user enters to access operations.
now the ones that require account password, i was thinking of having the password check method as a non-static method since its associated with the object.
while the ones that need bank password, i wanted to have as static method.
i wanted both methods to have the same name.You've no idea what you're doing.
how i solved it,
i decided on having both methods as static methods. the one that checks account password, takes in two parameters, the account name(object name) and the string to be checkd. the one that checks bank password, takes in only one parameter- the string to be checked.Wrong.i would be really thankful if you could help me rectify my mistake and advice on how i should be doing this. is there a conceptual error? i am a bit confused now.
Its exactly what I told you.. but now, you just have to come on here and post this :p
and isn't this sort of like cheating? :P I mean this IS our exam you know... You're basically asking other for the arithmetic and logic lol.

What is good practice for playing multiple video's in a single swf?

Hello,
I have build in the past a video wall with video's inside. After building this i came across some problems.
If you have too many video players loading at once it takes a lot of processing and the tweens in the
page while loading the video's where not moving fluidly, but more in a stuttering way.
After lot's of test i found a good working solution. I imported the flv video's into flash en exported them on the timeline
as a embedded swf. Then i externally loaded these swf files and that performed much better.
Is it even good practice to load multiple video instances at once? I used this time the LoaderMax of greensock but the video's
only play after it's completely loaded. I would like to find a way to progressive play all video's at.
Does someone has experience with this?
Regards,
Chris.

How about an XML file which supplies the title for each movie and the location or source of the video to be played? Simple version below.
<?xml version="1.0" ?>
- <playlist>
<video src="Gfx/video/Alex1.f4v" title="John Deere 330" />
<video src="Gfx/video/Benni1.f4v" title="Hitachi Z240F" />
<video src="Gfx/video/Scotti1.f4v" title="Hitachi Z350F" />
<video src="Gfx/video/Scotti2.f4v" title="Hitachi Z350F" />
</playlist>
JR

Is it good practice to auto submit forms?

My users use forms that involve lots of textual matter and sometimes when after working for hours typing into the forms they might move out to some other links there by not submitting the form.
Is it a good practice to auto save the contents of the form if there has been no inactivity for 5 minutes?
What are the pros and cons of this approach?
One problem the above approach could throw is if the user actually types in some data and forgets to close the browser window, the forms keeps on getting submitting unintentionally. This is ok with the user.
Other alternatives like prompting the user for saving at frequent intervals have been thought of.

as long as you can determine there's been no activity (simple enough with onblur/onfocus and other events in the fields) and can save the contents in a way that is not a submission, then it's not a bad idea. I wouldn't save after X minutes while the user is doing some entry, cuz it may interrupt what they are doing. Or you could use hidden frames and JS to save things without affecting the user.

Client deletion good practices

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