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Index Seek vs. Clustered Index Scan - Why is the scan chosen?
The following query uses an index seek on an index on the LastModifiedTime column. SELECT CONVERT(varchar, a.ReadTime, 101) as ReadDate,[详细]
2022-12-22 05:18 分类:问答
The following query uses an index seek on an index on the LastModifiedTime column. SELECT CONVERT(varchar, a.ReadTime, 101) as ReadDate,[详细]