My customers no are from 1..50000 in the customer list, how can I add "C" infront of 1 for the exisiting customerrecords up to 50000. I want to do it programmatically by renaming it, the reason, we are merging with the other systems. After renaming the customer no, looks like C1,C2,C3,..C50000. Pls suggest to do it in one go..
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