find duplicates mysql column
SELECT name, COUNT(*) c FROM table GROUP BY name HAVING c > 1;
find duplicates mysql column
SELECT name, COUNT(*) c FROM table GROUP BY name HAVING c > 1;
find duplicate keys in mysql
SELECT col, COUNT(col) FROM table_name GROUP BY col HAVING COUNT(col) > 1;
MySQL repeated values
SELECT
col,
COUNT(col)
FROM
table_name
GROUP BY col
HAVING COUNT(col) > 1;
Code language: SQL (Structured Query Language) (sql)
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