Results 161 to 170 of about 4,037 (221)
The Saccharomyces Genome Database-a history of ideas and accomplishments, 1994-2026. [PDF]
FEMS Yeast ResCherry JM, Sherlock G, Engel SR.
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Spreadsheets in RDBMS for OLAP
Proceedings of the 2003 ACM SIGMOD international conference on Management of data, 2003One of the critical deficiencies of SQL is lack of support for n-dimensional array-based computations which are frequent in OLAP environments. Relational OLAP (ROLAP) applications have to emulate them using joins, recently introduced SQL Window Functions [18] and complex and inefficient CASE expressions.
Andrew Witkowski +7 more
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2012 Ninth Web Information Systems and Applications Conference, 2012
With the rapid growing popularity of XML to represent data, how to make good use of XML data in relational databases is worthy of study. Storing XML data as text in relational databases is a traditional strategy which cannot reflect the feature of XML format. In this paper, a mechanism for XML data storage and query in relational databases is proposed.
Xiangyu Hu 0001 +4 more
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With the rapid growing popularity of XML to represent data, how to make good use of XML data in relational databases is worthy of study. Storing XML data as text in relational databases is a traditional strategy which cannot reflect the feature of XML format. In this paper, a mechanism for XML data storage and query in relational databases is proposed.
Xiangyu Hu 0001 +4 more
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Denormalization effects on performance of RDBMS
Proceedings of the 34th Annual Hawaii International Conference on System Sciences, 2005Presents a practical view of denormalization, and provides fundamental guidelines for incorporating denormalization. We have suggested using denormalization as an intermediate step between logical and physical modeling, to be used as an analytic procedure for the design of the applications requirements criteria.
G. Lawrence Sanders, Seungkyoon Shin
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Advanced SQL modeling in RDBMS
ACM Transactions on Database Systems, 2005Commercial relational database systems lack support for complex business modeling. ANSI SQL cannot treat relations as multidimensional arrays and define multiple, interrelated formulas over them, operations which are needed for business modeling.
Andrew Witkowski +7 more
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In-RDBMS inverted indexes revisited
2014 IEEE 30th International Conference on Data Engineering, 2014Every major open-source and commercial RDBMS offers some form of support for full-text search using inverted indexes. When providing this support, some developers have implemented specialized indexes that adapt techniques from the Information Retrieval (IR) community to work in a database setting, while others have opted to rely on the standard ...
Ian Rae +2 more
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Implementing conceptual graphs in a RDBMS
1993This paper discusses why the relational data model is inadequate for the modelling of certain data domains, and proposes that conceptual graphs can be used to remedy some of these inadequacies. A description of current research into implementing a conceptual graph layer on top of a relational database is given, along with some general algorithms for ...
Brian Bowen, Pavel Kocura
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2006
Relational Database storage for XML data is the most affordable and available solution. Meanwhile supporting document order and structure for dynamic XML data in RDBMS still needs more work. We present a new labeling approach for nodes in XML documents, which we call XMask, where each element is identified by two values (1) node Id (2) and node Mask ...
Moad Maghaydah, Mehmet A. Orgun
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Relational Database storage for XML data is the most affordable and available solution. Meanwhile supporting document order and structure for dynamic XML data in RDBMS still needs more work. We present a new labeling approach for nodes in XML documents, which we call XMask, where each element is identified by two values (1) node Id (2) and node Mask ...
Moad Maghaydah, Mehmet A. Orgun
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Block Optimization in the Teradata RDBMS
2003Block optimization involves several techniques used to avoid optimizing blocks or parts of a query separately. This process may involve integrating views, derived tables, and subqueries with the rest of the query. For those query blocks that cannot be integrated with the rest of the query, the Teradata optimizer tries to simplify and optimize these ...
Ahmad Ghazal +2 more
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