专利名称：SYSTEM FOR MIGRATING RECORDS IN A
DATABASE FROM A SOURCE DATABASE
SCHEMA TO A TARGET DATABASE SCHEMA
发明人：Daniel L. Cheung,Sanjay Nagchowdhury,John
A. Owen
申请号：US15286551
申请日：20161005
公开号：US20170024383A1
公开日：
20170126
专利内容由知识产权出版社提供
专利附图：
摘要：There is disclosed a system for migrating records in a database from a source
database schema to a target database schema. A request is received to delete a state from the source schema. The state is marked as the redundant state. A resultant state is identified to which to migrate database records in the redundant state and a valid migration path is calculated between the redundant state and the resultant state.
申请人：International Business Machines Corporation
地址：Armonk NY US
valid from是什么意思
国籍：US
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