Interested to Buy Any Domain ? << Click Here >> for more details...
How to generate surrogate key without using surrogate key stage?
- 6 Answers
- 30808 Views
- IBM, I also Faced
- E-Mail Answers
Answers were Sorted based on User's Feedback
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
| Is This Answer Correct ? | 13 Yes | 0 No |
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
| Is This Answer Correct ? | 5 Yes | 0 No |
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.
| Is This Answer Correct ? | 4 Yes | 2 No |
Answer / sreenu
Using the Routine
KeyMgtGetNextVal
KeyMgtGetNextValConn
| Is This Answer Correct ? | 0 Yes | 0 No |
Answer / nish
sudhir your answer is wrong. just incrementing will not work in a multinode config.
the answers that utilize the @partition num variable are correct
| Is This Answer Correct ? | 0 Yes | 0 No |
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
| Is This Answer Correct ? | 1 Yes | 2 No |
What are the different plug-ins stages used in your projects?
How do you load dimension data and fact data? Which is first
how can find maximum salary by using Remove duplicate stage?
What is usage analysis in datastage?
hi.... am facing typical problem in every interview " I need some critical scenarios faced in real time" plz help me guys
Can we use sequential file as source to hash file? Have you do it ?if what error it will give?
What is exact difference between Parallel Jobs and server Jobs..
whats relation between configuration file and datasets?
what is operator combinality in datastage?
There are two file are there .1st file contains 5 records and 2nd file contain 10 records in target they want 50 records.how can achieve this
What is the purpose of pivot stage and types of containers in datastage
What is audit table?
Teradata 
