I have a database with 5 columns
1 column has 10,000 rows. Each row has a random number of 8 digits.
I want to learn how to replace this column with 100 rows. Each row will have a random number of only 4 digits.
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it means you want to less the rows of column one and you want that each random number must have max limit of 4 digits ?? is this is a task?? kindly clarify it to me a little bit