I have 3 columns phone1,phone2,phone3 which are char columns.
my requirement is to concatenate these 3 columns and Remove Characters and Special Characters and replace with blank.
if the values are like below
phone1 is 123445
Phone2 is 34454F6( Having characters)
phone3 is 333$3#(Having special characters)
then my output must be like below
1234453445463333( oNLY INTEGERS)
how can i achieve this?
kindly help... i am new to teradata
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