否认 发表于 2025-3-28 18:17:04
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Hans-Georg Weigandblocking behaviour of online schema transformations in PostgreSQL, MySQL and Oracle 11g. First we discuss experiments using the data definition language of the DBMSs, which show that all complex operations are blocking, while we have mixed results for basic transformations. Second, we look at a techFLINT 发表于 2025-3-29 09:01:03
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Jochen Ziegenbalg data warehouse projects implementation efforts, costs, and resources. Nevertheless, the difference on data structures imposes new requirements on the ETL process implementation and maintenance. What makes these tasks even more challenging is the fact that data continue to grow rapidly and businessNeutral-Spine 发表于 2025-3-29 16:13:31
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