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Answer by Randi Vertongen for Can the SQL Server optimizer use indexes to...
TL;DRAuto created statistics will be improved by an index if you are using fullscan updates & have the column as the first key column in an index. (Default) sample rate statistic updates will use...
View ArticleCan the SQL Server optimizer use indexes to update auto created statistics?
Consider the scenario where auto created statistics are created on a column to satisfy a query.Afterwards; a nonclustered index is created on the column, with or without other key columns. Could the...
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