Write an SQL query to delete all the duplicate emails, keeping only one unique email with the smallest id. Note that you are supposed to write a DELETE statement and not a SELECT one. After running ...
For all countries that have multiple rows in the country_continent table, delete all multiple records leaving only the 1 record per country in the master table. The record that you keep should be the ...
Microsoft Excel: How to use Power Query to display a list of duplicate values or records Your email has been sent Whether duplicate records are good or bad depends on specific conventions that you ...