DB2更新语句

我对DB2非常陌生。我有一个select查询，需要将其转换为update语句。查询是这样的：

SELECT GUID,seq original_seq_no, ROW_NUMBER()
OVER ( PARTITION BY GUID ORDER BY seq) AS new_seq_no
FROM CHK_SEQ; 

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此select查询适用于MSSQl和Oracle，但不一定适用于DB2。有人能帮我吗？

这个选择也适用于DB2。i、 e

WITH CHK_SEQ (GUID, seq, original_seq_no) AS (VALUES
  ('guid1', 100, 1001),
  ('guid2', 200, 1002),
  ('guid3', 300, 1003)
)
SELECT GUID,seq, original_seq_no, ROW_NUMBER()
OVER ( PARTITION BY GUID ORDER BY seq) AS new_seq_no
FROM CHK_SEQ; 

您想如何将其转换为update语句？

试试这个简单的表单

UPDATE (
   SELECT GUID,seq, ROW_NUMBER()
   OVER ( PARTITION BY GUID ORDER BY seq) AS new_seq_no
   FROM CHK_SEQ
) SET seq = new_seq_no

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你不能测试它吗？