Answers for "duplicate a record in sql"

select duplicates in sql

SELECT username, email, COUNT(*)
FROM users
GROUP BY username, email
HAVING COUNT(*) > 1

Posted by: Guest on April-03-2020

duplicate a column in sql

ALTER TABLE Table1
ADD SubCategory2 {Type of subcategory 1} {NULL|NOT NULL} 
UPDATE Table1 SET SubCategory2 = SubCategory;

Posted by: Guest on April-23-2021

Code answers related to "duplicate a record in sql"