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- W57651844 abstract "In object-oriented database systems, type definitions are used as the basis of object manipulation. They may change causing the systems' schemata evolve dynamically. In this paper, we first clarify the concept of schema evolution in databases and discuss its existing solutions. Next we propose a lazy evaluation method of schema evolution which minimize the amount of object manipulation. It is realized in a system which incorporates the concept of persistent meta-object, while meta-object interprets meta-message and principally maintains type validness while schema evolves. Better balance between the availability of object and the speed of accessing object is obtained by our method." @default.
- W57651844 created "2016-06-24" @default.
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- W57651844 date "1990-01-01" @default.
- W57651844 modified "2023-09-26" @default.
- W57651844 title "Meta Operations for Type Management in Object-Oriented Databases" @default.
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- W57651844 doi "https://doi.org/10.1016/b978-0-444-88433-6.50021-6" @default.
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