Amazon Web Services776 тыс
Опубликовано 18 декабря 2020, 23:46
Amazon Redshift can extract the cardinality directly from the stored HLLSKETCH values without accessing the underlying datasets. Use HLL sketches to achieve significant performance benefits for queries that compute approximate count distinct over massive history data sets.
Leverage Amazon Redshift HyperLogLog to speedup GameAnalytics at -amzn.to/3alu5pH
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Leverage Amazon Redshift HyperLogLog to speedup GameAnalytics at -amzn.to/3alu5pH
Subscribe:
More AWS videos bit.ly/2O3zS75
More AWS events videos bit.ly/316g9t4
#AWS #AWSDemo #AmazonRedshift
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