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pro vyhledávání: '"R. Ramakrsihnan"'
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SSDBM
A relation is an unordered collection of records. Often, however there is an underlying order (e.g., a sequence of stock prices), and users want to pose queries that reflect this order (e.g., find a weekly moving average). SQL provides no support for
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::38b4d9e6670bdb35e021fce04c1199df
https://doi.org/10.1109/ssdm.1998.688114
https://doi.org/10.1109/ssdm.1998.688114
