在SQL Server中查找表中的重复行,可以通过使用GROUP BY和HAVING子句来实现。下面是详细的步骤:
SELECT column_name, COUNT(*) AS count
FROM table_name
GROUP BY column_name
SELECT column_name, COUNT(*) AS count
FROM table_name
GROUP BY column_name
HAVING COUNT(*) > 1
SELECT t1.*
FROM table_name t1
JOIN (
SELECT column_name, COUNT(*) AS count
FROM table_name
GROUP BY column_name
HAVING COUNT(*) > 1
) t2 ON t1.column_name = t2.column_name
这将返回包含重复行的原始表的所有列的数据。
应用场景:
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