5. Consider there are 2 columns in a table. Coulmn A is User Id and Column B is address. The table has both old as well new addresses of users. How do you clean up to keep only new addresses of users?
5. Consider there are 2 columns in a table. Coulmn A is User Id and Column B is address. The table has both old as well new addresses of users. How do you clean up to keep only new addresses of users?
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