Index Range Scan (214)
Index range scan is a common operation for accessing selective data. It can be
bounded (bounded on both sides) or unbounded (on one or both sides). Data is
returned in the ascending order of index columns. Multiple rows with identical values
are sorted (in ascending order) by the ROWIDs.
索引範圍
1. 索引範圍掃描可以是封閉或者不風不的
2. 資料是以按照索引列的升序排列的
來自 “ ITPUB部落格 ” ，連結：http://blog.itpub.net/10599713/viewspace-982882/，如需轉載，請註明出處，否則將追究法律責任。
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