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A recent article introduced partitioned B-trees, in which partitions are defined not in the catalogs but by distinct values in an artificial leading key column. As there usually is only a single value in this column, there usually is only a single partition, and queries and updates perform just like in traditional B-tree indexes. By temporarily permitting multiple values, at the expense of reduced query performance, interesting database usage scenarios become possible, in particular for bulkdblp:conf/btw/Graefe03a fatcat:lrofcqlwmbeqrh2jkman6cutdi