APP 不能像sqlserver一样用if not exists或者exists，应该这样：DECLARE p_count int;set p_count=0;select 1 into p_count FROM basic_Character WHERE AreaName = p_areaName AND AccountName = p_accountName AND CharacterName ......
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不能像sqlserver一样用if not exists或者exists，应该这样：DECLARE p_count int;set p_count=0;select 1 into p_count FROM basic_Character WHERE AreaName = p_areaName AND AccountName = p_accountName AND CharacterName ......
本文摘自 ：https://www.cnblogs.com/
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