undo – KTEXPERTS

Temporary Undo in Oracle 12C

6 years ago by Binnary Ajay KumarOracle 12C New Features

Dear Readers, In this article, we will see the following Temporary Undo in Oracle 12C. Temporary Undo in 12C Undo tablespaces facilitate the rollback of logical transactions. In addition, undo tablespaces support a number of other features, including read consistency, various database-recovery operation, and flashback… Read More

ORACLE ARCHITECTURE -4(PHYSICAL REPRESENTATION OF DATABASE)

6 years ago by Binnary Ajay KumarOracle Architecture

ORACLE ARCHITECTURE -4(PHYSICAL REPRESENTATION OF DATABASE ) In this article we will cover Physical representation of Database. Physical representation is nothing but Physical files(CRD). From Oracle version 6 to 12c every database has three files. They are : 1.Controlfile 2.Redolog files 3.Datafiles Please check below to… Read More