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这段时间在做一个业务，需要用到存储过程处理业务逻辑，但是出现一个ORA01403:未找到数据问题，那么这个应该如何解决这个问题declaremixTypeinteger;begin原先获取方式selectNVL(MID,0)intomixTypefromDXC_MIXTYP

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