select duplicates in sql
SELECT username, email, COUNT(*)
FROM users
GROUP BY username, email
HAVING COUNT(*) > 1select duplicates in sql
SELECT username, email, COUNT(*)
FROM users
GROUP BY username, email
HAVING COUNT(*) > 1get duplicate entry sql
select barcode, name, count(*)
from product
group by barcode, name
HAVING count(*) > 1sql check duplicate value in column
SELECT columnName, COUNT(columnName)
FROM tableName
GROUP BY columnName
HAVING COUNT(columnName)>1Copyright © 2021 Codeinu
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