514 search results - page 56 / 103 » Management Of Schema Evolution In Databases |
179
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ICDE
2004
IEEE
15 years 11 months ago
2004
IEEE
XML support is being added to existing database management systems (DBMSs) and native XML systems are being developed both in industry and in academia. The individual performance ...
ER
2008
Springer
14 years 11 months ago
2008
Springer
It is common to find that the definition or common usage of a data modelling language causes there to be restrictions placed on the evolution of data values that are associated wit...
JODS
2006
14 years 9 months ago
2006
Abstract. Many problems in Information and Data Management require a semantic account of a database schema. At its best, such an account consists of formulas expressing the relatio...
107
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AVI
2008
14 years 10 months ago
2008
Traditional database query formulation is intensional: at the level of schemas, table and column names. Previous work has shown that filters can be created using a query paradigm ...
159
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SIGMOD
2007
ACM
15 years 10 months ago
2007
ACM
Two trends are converging to make the CPU cost of a table scan a more important component of database performance. First, table scans are becoming a larger fraction of the query p...