动物
发表于 2025-3-23 11:22:32
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certain
发表于 2025-3-23 17:50:06
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朝圣者
发表于 2025-3-23 18:53:23
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Indent
发表于 2025-3-23 23:57:04
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果仁
发表于 2025-3-24 03:16:44
Roland Raoul Kouassi,Ellen Hurst-Haroshnsert in a column store is a bit more complicated. For a row-oriented database, the new tuple is simply appended to the end of the table, i.e., the tuple is stored as one piece. SanssouciDB uses column-orientation to store the data physically.
fabricate
发表于 2025-3-24 09:26:56
Government Attitudes and Indirect Voices,yout. The impacts have already been discussed in Chap. . in more detail. The columnar layout is optimized for analytical set-based operations that work on many rows but for a notably smaller subset of all columns of data. The row layout shows a better performance for select operations on few single
Chandelier
发表于 2025-3-24 11:32:16
https://doi.org/10.1057/9780230605107 is sorted by the attribute to scan, a scan has to iterate over all entries and returns those entries, which fulfill the search predicate (e.g. “SELECT * FROM world_population WHERE lastname = “Smith”).
TSH582
发表于 2025-3-24 15:30:16
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全国性
发表于 2025-3-24 21:47:06
https://doi.org/10.1007/978-3-642-55270-0HANA; HPI; OLAP; OLTP; column-oriented database; dictionary-encoded database
Congruous
发表于 2025-3-25 03:00:32
978-3-662-51208-1Springer-Verlag Berlin Heidelberg 2014