WITH cte AS (
SELECT roleid,permissionid,
row_number() OVER(PARTITION BY roleid,permissionid ORDER BY roleid,permissionid) AS [rn]
FROM rolepermissionrecords
)
DELETE cte WHERE [rn] > 1
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WITH cte AS (
SELECT roleid,permissionid,
row_number() OVER(PARTITION BY roleid,permissionid ORDER BY roleid,permissionid) AS [rn]
FROM rolepermissionrecords
)
DELETE cte WHERE [rn] > 1
相关文章：