Hi MBR,
it's not comma-delimited, it's dash-delimited ;-)
100% CPU for which time?
When you need it this way you have to pay the costs, i.e. CPU.
How often do you run this INS/SEL? It's all the rows inserted into another table, should be one time only with this large amounts of rows.
And when you create a NUSI on the source table you still need the CPU for the trim/concat (plus the overhead for the NUSI maintenance)
Dieter
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