Understanding and Managing UNDO Segments in Oracle Database
In Oracle Database, the UNDO segment enables data consistency and supports various database operations, including transaction rollbacks, read consistency, and…
Undo
Local UNDO in Multitenancy
With the introduction of Oracle Database 12c, the multitenant architecture allows multiple pluggable databases (PDBs) to coexist within a single…
Managing Undo Data: Transactions and Undo Segments
Undo data plays a key role in maintaining data consistency, providing read consistency, rolling back transactions, and recovering the database.…
Resizing the Undo tablespace
As your database grows and evolves, its undo tablespace needs might change too. In this post, we’ll guide you through…