robhale at 10h48
20
Feb
2009
Adding new attributes to a dimension
We're an Oracle 10g warehouse site and still get nervous when adding new attributes to our ageing dimensions. The issue stems from not being able to reorder columns in Oracle. So your new attributes either sit at the bottom of the table (not good) or you have to do a create table new_dim as select a,b,c,d...n from old_dim and hope you don't miss a column. We wrote a function this week to at least help get all the column id's and avoid that terro
We're an Oracle 10g warehouse site and still get nervous when adding new attributes to our ageing dimensions. The issue stems from not being able to reorder columns in Oracle. So your new attributes either sit at the bottom of the table (not good) or you have to do a create table new_dim as select a,b,c,d...n from old_dim and hope you don't miss a column. We wrote a function this week to at least help get all the column id's and avoid that terro
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20/02/2009 at 10h48 by "robhale"






