'Redo log' diaporamas de présentation

Data Base Management System Unit -3

Data Base Management System Unit -3. Oracle 8 Architecture. Oracle Database Structure. Database Files. Control Files. Redo Log files. Table Spaces. Segments. Blocks. An extent consists of one or more contiguous Oracle data block s.

1.84k views • 160 slides

763 views • 66 slides

Chapter 17: Coping with System Failures

579 views • 57 slides

Structured Query Language

721 views • 53 slides

Managing database instance

Managing database instance. Management Framework. Oracle Database 11 g Release 2 management framework has 3 components : Database instance Listener Management interface.

741 views • 50 slides

B1: After Imaging

B1: After Imaging. New features. Greater flexibility. Richard Banville. Fellow. Agenda. Basics New features Online implementation Archival and Maintenance. Agenda. Basics What is after imaging? Why use after imaging? How does it work? What is the AI archiver?.

682 views • 47 slides

Recovery

671 views • 47 slides

611 views • 46 slides

Oracle Database Administration

Oracle Database Administration. Session 2 System Level. The Database. A database can be viewed as the collection of data from a business An application presents this data to the users in a manageable way. The application can insert, delete or update the data.

612 views • 46 slides

Overview of Oracle Database

Overview of Oracle Database. Lee, JeongKyu (jelee@bridgeport.edu). Part 1. Introduction to Database System. Introduction to Database History of RDBMS Entity-Relationship Modeling Database Language. Introduction to Database. File-Based Approach

704 views • 46 slides

Thomas E. Canty ServerCare, Inc. Session #126

Data Guard Best Practices & Tuning. Thomas E. Canty ServerCare, Inc. Session #126. Thomas E. Canty, Senior Oracle DBA, ServerCare, Inc. 19 years of Oracle experience, starting with version 5 Has presented at IOUG, OpenWorld, NoCOUG, IASA, Has been a DBA, Developer, Architect, and IT Manager.

584 views • 44 slides

A Closer Look inside Oracle ASM

LCG. A Closer Look inside Oracle ASM. UKOUG Conference 2007 Luca Canali, CERN IT. Outline. Oracle ASM for DBAs Introduction and motivations ASM is not a black box Investigation of ASM internals Focus on practical methods and troubleshooting ASM and VLDB

593 views • 41 slides

CS4432: Database Systems II

CS4432: Database Systems II. Lecture #24 Crash Recovery (chap 17). Professor Elke A. Rundensteiner. How can we prevent / fix violations?. Chapter 8[17]: due to failures only Chapter 9[18]: due to data sharing only Chapter 10[19]: due to failures and sharing. Chapter 8 [17]: Recovery.

468 views • 35 slides

Oracle Architectural Components

Oracle Architectural Components. Objectives. After completing this lesson, you should be able to do the following: Outline the Oracle architecture and its main components List the structures involved in connecting a user to an Oracle instance. Password file. Overview of Primary Components.

580 views • 34 slides

Instance and Media Recovery Structures

Instance and Media Recovery Structures. Objectives. After completing this lesson, you should be able to do the following: Describe the Oracle processes, memory structures, and files relating to recovery Identify the importance of checkpoints, redo log files, and archived log files

389 views • 30 slides

Backup & Recovery with RMAN

LCG. Backup & Recovery with RMAN. LCG 3D Workshop, Bologna June 12 th , 2007 Jacek Wojcieszuk. Agenda. Types of failures and backups in Oracle RMAN Architecture Manual vs. RMAN backups On-tape backups with RMAN RMAN Configuration RMAN backup strategies RMAN backups at Tier0

612 views • 26 slides

Oracle Clustering and Replication Technologies

Oracle Clustering and Replication Technologies. CCR Workshop - Otranto Barbara Martelli Gianluca Peco. Oracle Database Architecture. The Oracle Server architecture can be described in three categories: User-related processes User Process Server Process. Logical memory structures

405 views • 25 slides

Section 7: Recovery

Section 7: Recovery. Undo logging Redo logging ARIES. Checkpointing. START_CKPT END_CKPT MASTER_LOG_RECORD. Questions. What happens if a second begin_checkpoint record is encountered during the Analysis phase?

187 views • 10 slides

CSE 451: Operating Systems Spring 2010 Module 14.5 Journaling File Systems

CSE 451: Operating Systems Spring 2010 Module 14.5 Journaling File Systems. Mark Zbikowski Gary Kimura. Quickie Review. Original Bell Labs UNIX file system a simple yet practical design exemplifies engineering tradeoffs that are pervasive in system design elegant but slow

242 views • 10 slides

System Monitor SMON

Recover Distributed Tx RECO. Snapshot Auto-refresh SNPn. System Monitor SMON. Process Monitor PMON. Server Locks LCK. Parallel Query Pnnn. Buffer Cache DB_Block_Buffers & DB_block_size. Redo Log_Buffer. Shared Pool Shared_Pool_size. SGA. Dict Cache. SQL Area. CKPT. DBWR.

192 views • 1 slides