creating a new column with three columns
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i have three columns with 25 rows each. Now I want to merge all the three columns to one in a way that the first three rows will be the 1st values of all the three columns.
for ex: col_1, col_2 col_3 I need New merge col
25 22 23 25
26 25 20 22
24 28 30 23
26 and so on
so at last i will get one column with total of 75 rows
thanks in advance.