英语词汇null indicator怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	null indicator
释义	null indicator 简明释义零位指示器，零示器网络释义 1 [电]?零点指示器 ... nuclide 核种 null indicator 零点指示器 null method 零位法 ... 2 ?空指示符信息工程专业术语--59 ... null hypothesis 零假设 null indicator 空指示符 null instruction 空操赘令 ... 短语 1 cathode ray null indicator 阴极射线指零仪 2 null-balance indicator 平衡零点指示器 3 Null Frame Indicator 指示位双语例句 1 The null indicator values are populated during the execution of the SQL FETCH statement. 空指示符值在 SQL FETCH 语句执行过程中填充。 2 If the column is defined as null capable, then you must update the null indicator map accordingly. 如果列被定义为支持空值，那么您必须相应更新空指示符映射。 3 The null indicator values are set by the RPG HANDLE_UPDATE sub-procedure prior to executing the SQL UPDATE statement. 空指示符值在执行SQL update语句之前通过RPG handle_update子过程设置。
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