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下面的语句给我错误 SQL 错误:ORA-00934:此处不允许使用组函数 有谁知道如何解决这个错误?
update revisit set visitcounter=1234 where visittimestamp=MAX(visittimestamp)
尝试:
update revisit set visitcounter=1234 where visittimestamp = (select MAX(visittimestamp) from revisit)