Surrogate Key Generator Stage In Datastage
- Surrogate Key Generator Stage In Datastage With Example
- How To Use Surrogate Key Generator Stage In Datastage
Sep 08, 2016 This is a training video on how to implement Slowly Changing Dimension in Datastage. Email to learn.knowstar@gmail.com. Jan 21, 2016 When using the Surrogate Key Generator Stage with Database Sequence, please note that before using the sequence values: 1. The 'Sequence' needs to be created in the database in order to use it.
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Answer / venkatesh.m
by using the transformer we can do it.To generate seqnum
there is a formula by using the system variables
ie
[@partation num + (@inrow num -1) * @num partation
Answer / murali
yes ur right but we have another way to generate s key by
using transformer .in transformer we have a surrogate key tab
click the skey tab in that we hav state file and db sequence
these r used for generate and hold the s key value
Answer / sudhir
Surrogatekey is nothing but a unique number to identify the
record in datamart. So just use a counter in StageVariable
of Transformer. Keep incrementing the counter by one for
every new inserts. This would form a surrogatekey.
Answer / sreenu
Using the Routine
KeyMgtGetNextVal
KeyMgtGetNextValConn
Answer / nish
Surrogate Key Generator Stage In Datastage With Example
sudhir your answer is wrong. just incrementing will not work in a multinode config.
the answers that utilize the @partition num variable are correct
How To Use Surrogate Key Generator Stage In Datastage
Answer / snehasis
By using system variable in transformer stage
like 1) create a stage var(SVK).
2) go to stage var. property type in the initial value tab as @partionnum - @numpartion+1
3) in the stage var. derivation type SVK+@numpartition