Delta procedure - How To...

Hello,
I'm looking for some documentation about Delta loads procedure.
I have several doubts nd i would like to learn about it a little more.
In SDN there are a lots of posts bu i'm getting a little confuse because it's a lot of information and i turn in loop
So, i would like to know if someone has documents that could send by email ou others links.
Thanks and best regards,
Maria Stone

Dear Maria,
Please go through these links for LO extraction and Delta modes.
/people/sap.user72/blog/2004/12/16/logistic-cockpit-delta-mechanism--episode-one-v3-update-the-145serializer146
/people/sap.user72/blog/2005/01/19/logistic-cockpit-delta-mechanism--episode-three-the-new-update-methods
/people/sap.user72/blog/2005/02/14/logistic-cockpit--when-you-need-more--first-option-enhance-it
/people/sap.user72/blog/2004/12/23/logistic-cockpit-delta-mechanism--episode-two-v3-update-when-some-problems-can-occur
/people/sap.user72/blog/2005/04/19/logistic-cockpit-a-new-deal-overshadowed-by-the-old-fashioned-lis
Direct delta:
transactional data or application posting will be directly available in the delta queue table with out any intermediate tables. then that data will be extracted from r/3 to bw.
Each document posting is directly transferred into the BW delta queue
each document posting with delta extraction leads to exactly one LUW in the respective BW delta queues
Transaction postings lead to:
1. Records in transaction tables and in update tables
2. A periodically scheduled job transfers these postings into the BW delta queue
3. This BW Delta queue is read when a delta load is executed.
Pros:
Extraction is independent of V2 update
Less monitoring overhead of update data or extraction queue
Cons:
Not suitable for environments with high number of document changes
Setup and delta initialization have to be executed successfully before document postings are resumed
V1 is more heavily burdened
Queued delta:
first the data posting will available in the extraction queue table. then there periodic job run take that data to queued delta table.
Extraction data is collected for the affected application in an extraction queue
Collective run as usual for transferring data into the BW delta queue
Transaction postings lead to:
1. Records in transaction tables and in extraction queue
2. A periodically scheduled job transfers these postings into the BW delta queue
3. This BW Delta queue is read when a delta load is executed.
Pros:
Extraction is independent of V2 update
Suitable for environments with high number of document changes
Writing to extraction queue is within V1-update: this ensures correct serialization
Downtime is reduced to running the setup
Cons:
V1 is more heavily burdened compared to V3
Administrative overhead of extraction queue
Regards,
Ram.

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