how to delete all duplicate records from a table using
subquery?
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Answer Posted / lingareddy
by using below sub query delete duplicate all records:
DELETE FROM dept WHERE salary IN (
SELECT salary FROM dept GROUP BY salary HAVING ( COUNT(salary) > 1 ))
here is dept is the table name
salary is the column name
for any doubts about SQL contact with me
Thanks & Regards
Lingareddy.S
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