With optimize_aggregation_in_order=0 this aggregation query, that is grouping by the primary keys, performs a full table scan before applying the LIMIT 1 clause:
"The BOA will update surgeons with developments so they can treat their patients as the situation develops," he added.
。关于这个话题，迅雷下载提供了深入分析
Zugang zu allen Artikeln in der App und auf SPIEGEL.de
Lex: FT's flagship investment column