A final case, which should only be considered when a reverse index cannot be applied for some reason or complicates your design, is to use ObjectGrid queries to locate your data.
最后一种情况是使用ObjectGrid查询，仅当处于某种原因不能应用反向索引或应用它会使设计更复杂时，才考虑使用这种查询。
Why would a reverse index be useful when the leading column of the index is generated from a sequence?
当索引第一列由序列产生，一个逆序索引有什么用？
Why would a reverse index be useful when the leading column of the index is generated from a sequence?
当索引第一列由序列产生，一个逆序索引有什么用？
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