DATA GUARD AT PDB (PLUGGABLE DATABASE) LEVEL

DATA GUARD AT PDB (PLUGGABLE DATABASE) LEVEL

Herein is high availability for online transaction processing with redundancy and redo for a federation of pluggable databases and container databases. In an embodiment of a federation of container database management systems that includes a first container database, first redo data of a first plugg...

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Bibliographische Detailangaben
Hauptverfasser: Zheng, Jing, Gagne, David, Neall, Ian, Karkhanis, Nitin, Girkar, Mahesh, Kyathappala, Sadhana, Ravipati, Giridhar, Cui, Qingguang, Li, Yunrui, Lange, Frank
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Beschreibung
Zusammenfassung:Herein is high availability for online transaction processing with redundancy and redo for a federation of pluggable databases and container databases. In an embodiment of a federation of container database management systems that includes a first container database, first redo data of a first pluggable database in a second container database is obtained based on a database dictionary in the first container database. To the first pluggable database in the first container database, the first redo data of the first pluggable database in the second container database is applied. Based on the database dictionary in the first container database, second redo data of a second pluggable database in a third container database is obtained. To the second pluggable database in the first container database, without modifying content of the first pluggable database in the first container database, the second redo data of the second pluggable database in the third container database is applied.