But, you can perform range scans on the remaining columns in the index key.
但是,您可以在索引键的其余列上执行范围扫面。
Number of index searches. Index searches are used to start range scans, single index record fetches, and to reposition within an index.
索引搜索的数目。索引搜索用于启动范围扫描和单个索引记录提取以及在索引中改变位置。
Index searches are used to start range scans, single index record fetches, and to reposition within an index.
索引搜索用于启动范围扫描和单个索引记录提取以及在索引中改变位置。
Index searches are used to start range scans, single index record fetches, and to reposition within an index.
索引搜索用于启动范围扫描和单个索引记录提取以及在索引中改变位置。
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