I'm working on an ETL job at work and I need to work with exported
data which is denormaized and then re-import. All data is in one
table. Below is a simulated table for explanation purposes.
What I need to do is make the CON_STATUS field = STATUS if CON_ID =
ROW_ID AND POSTN_ID = PR_POS_ID for each row.
Is that possible using some kind of self join update syntax?
ROW_ID POSTN_ID CON_STATUS CON_ID PR_POS_ID STATUS
1 20 10
30 ACTIVE
2 30 10
200 ACTIVE
3 40 1
60 ACTIVE
4 50 1
20 ACTIVE
5 60 7
40 ACTIVE
6 70 7
80 ACTIVE
7 80 9
30 ACTIVE
8 90 9
100 ACTIVE
9 100 4
200 ACTIVE
10 200 4
50 ACTIVE
Thanks for your help.
Frank
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