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📜  oracle 查找重复记录 - SQL 代码示例

📅  最后修改于: 2022-03-11 15:05:30.944000             🧑  作者: Mango

代码示例1
SELECT column_name, COUNT(column_name)
FROM table_name
GROUP BY column_name
HAVING COUNT(column_name) > 1;