what is main difference between change capture and change apply stages

what is main difference between change capture and change
apply stages

Question Posted / chlaxmanmca

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what is main difference between change capture and change apply stages..

Answer / shady

change capture stage catch holds of changesfrom two
different datasets and generates a new column called change
code....change code has values
0-copy
1-insert
2-delete
3-edit/update

where as change apply stage applies these changes back to
those data sets based on the chanecode column

Is This Answer Correct ?

40 Yes

2 No

what is main difference between change capture and change apply stages..

Answer / dharma kaveli

the stage compares two data set(after and before) and
makes a record of the differences.
change apply stage combine the changes from the change
capture stage with the original before data set to
reproduce the after data set

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20 Yes

0 No

what is main difference between change capture and change apply stages..

Answer / abdullah

read answer 2 first because i`m appending this answer to it so u can understand more.

*change capture views you the records that were change only, without telling you the rest of of the original records
ex: if one records was changed among 5 records then it will view it alone.
-(it will take two input, the before data set and the after data set)

*change apply should take the original data set and the change capture data set and then apply the change to the original copy as an output. as a result you have now all the records including the new and changed ones.

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3 Yes

0 No

what is main difference between change capture and change apply stages..

Answer / vin

please explain in a detailed manner

Is This Answer Correct ?

7 Yes

5 No

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