How u implement the slowly changing dimensions if my source
table is consisting of cid,cname,add,phno,email but i need to
capture the changes for first three columns how u implement?
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This is done by using the Change_Capture_Stage.
In the CDS stage: specify the change key's--> cid and
change_values as cname,add and phone etc
CDC stage triggers the Change_code as 3 if there is any
changes in the cname or add or phone no for the existing cid.
Ex: cid,cname,add,phone,email
1,'vin','bang','08979','vin@Gmail.com'
REf:
cid,cname,add,phone,email
1,'vin','HYD','08979','vin@Gmail.com'
O/P: cid,cname,add,phone,email,Change_code
1,'vin','HYD','08979','vin@Gmail.com',3
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