what rollback in database

When I arrived at the company this morning, I received a complaint from the Netcom customer, saying that the network management database had a problem, the database had bad blocks, and some data in the rollback segment could not be read. I need to

oracle| Solution This morning just to the company received Netcom customer complaints telephone, said the network management database problem, the database has bad block, rollback section of the data can not read, need to help solve. I checked the

oracle| Concept | planning | solving | Problem ROLLBACK segment Management has been a problem in Oracle database management, this paper introduces the concept, usage and planning of Oracle rollback segment and solution of problems through examples.

Rollback segment management has always been a problem in ORACLE Database Management. This article introduces the concept, usage, planning, and problem solving of ORACLE rollback segments through examples. Rollback segment Overview Rollback

Oracle Rollback segment management is always a difficult problem in Oracle database management, this paper introduces the concept, usage, planning and problem solving of Oracle rollback segment through an example. Rollback Segment Overview The

The ORACLE tutorial is about the concept, usage, planning, and problem solving of Oracle rollback segments. Rollback segment management has always been a problem in ORACLE Database Management. This article introduces the concept, usage, planning,

The ORACLE tutorial is about the concept, usage, planning, and problem solving of Oracle rollback segments. Rollback segment management has always been a problem in ORACLE Database Management. This article introduces the concept, usage, planning,

The Oracle tutorial being looked at is the concept, usage, and planning of the Oracle rollback segment and resolution of the problem. Rollback segment management is always a difficult problem in Oracle database management, this paper introduces the

Undo tablespace and rollback segments The Undo/rollback tablespace is the tablespace used to store rollback segments. The rollback segment is the data space of the image before Oracle saves the modified data. Each rollback segment contains some

Oracle Create rollback SEGMENT Syntax: Create [public] ROLLBACK SEGMENT rollback_segment [tablespace tablespace] [STORAGE ([Initi AL integer[k| M]] [NEXT integer[k| M]] [minextents integer] [maxtents {integer| Unlimited}] [OPTIMAL {integer[k| m]|