- It is the Updation of changes since the last load, for collecting LO Deltas there are 3 types of Delta Mechanisms.
a. Direct Delta
b. Queued Delta.
c. unserialized v3 Update - Apart from that there was serialized v3 but due to time stamp errors it is removed.
V1 Update --------- Synchronous update.
V2 Update --------- Asynchronous Update.
V3 Update --------- Asynchronous batch background update for delta record collection.
Sales Order ----> User Interface ----> V1 ----> Application Table (SD)
V2 Update -----> AR Table. - A) Direct Delta :
User posting Transaction -------> V1 ----> Application Table ----> V1 Update
V2 -----> Delta Queue (RSA7)
InfoPackage(delta) ----> PSA ---> Data Tranfer Process
----> Data Target
We can Collect small volume of data
Limited Serialization. - B) Queued Data :
User Posting Transaction ----> V1 ----> Application table -----> V2 update
V2 update ----> updated to extraction Queue (LBWQ)
V3 jobs ----> Delta Queue ----> InfoPackage(delta)
----->PSA ----> DTP ----> Data Target.
Used for large ammount of data due to Extraction (Structure) Queue.
Complete serialization.
Mainly used in SD Application Data. - C) Unserialized V3 Update :
User Posting Transation -----> V1 ----> Application Table
V2 update ----> Update Queue (SM13)
V3 jobs ----> Delta Queue ----> InfoPackage (delta)
PSA ----> DTP ----> DataTarget.
Large volume of Data.
No Serialization.
Delta Update in LO Data Extraction :
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