finding duplicate column values in table with sql
SELECT username, email, COUNT(*)
FROM users
GROUP BY username, email
HAVING COUNT(*) > 1finding duplicate column values in table with sql
SELECT username, email, COUNT(*)
FROM users
GROUP BY username, email
HAVING COUNT(*) > 1duplicate a column in sql
ALTER TABLE Table1
ADD SubCategory2 {Type of subcategory 1} {NULL|NOT NULL}
UPDATE Table1 SET SubCategory2 = SubCategory;Copyright © 2021 Codeinu
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