find duplicates in a table using SQL
What would be a simple way to find duplicates in a table using SQL Select statement?
To find duplicate records SELECT username, email, COUNT(*) FROM users GROUP BY username, email HAVING COUNT(*) > 1 To delete the duplicate records in a table use the following link https://www.sololearn.com/Discuss/274045/how-to-delete-duplicate-records-in-sql
thanks! i still dont understand the sql which delete the dup. Do you mind explain it further, please?
i understand now
I have made a calculator in which my % (Percentage) not work correctly for 100%50 or 100%20.
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