A METHOD, APPARATUS AND COMPUTER PROGRAM FOR MIGRATING RECORDS IN A DATABASE FROM A SOURCE DATABASE SCHEMA TO A TARGET DATABASE SCHEMA

A METHOD, APPARATUS AND COMPUTER PROGRAM FOR MIGRATING RECORDS IN A DATABASE FROM A SOURCE DATABASE SCHEMA TO A TARGET DATABASE SCHEMA

There is disclosed a method, apparatus and computer program 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 wh...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: NAGCHOWDHURY, SANJAY, OWEN,JOHN ARNOLD, CHEUNG, DANIEL LEE
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Beschreibung
Zusammenfassung:There is disclosed a method, apparatus and computer program 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.