Schema evolution

In computer science, schema evolution refers to the problem of evolving a database schema to adapt it to a change in the modeled reality. The problem is not limited to the modification of the schema. It, in fact, affects the data stored under the given schema and the queries (and thus the applications) posed on that schema.

单词	Schema evolution
释义	Schema evolution 英语百科 Schema evolution In computer science, schema evolution refers to the problem of evolving a database schema to adapt it to a change in the modeled reality. The problem is not limited to the modification of the schema. It, in fact, affects the data stored under the given schema and the queries (and thus the applications) posed on that schema.
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