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Recovery

Recovery

Recovery. Backing Up Data Recovery Plans. Overview. Transactions Recovery Transaction Recovery Failure Recovery Plans. Transactions. Concept: Logical unit of work and logical unit of recovery Definition: The execution of a program that accesses or changes the contents of the database.

By charlene
(89 views)

Database Modelling

Database Modelling

Database Modelling. Lecture 8 (b): Transactions. Learning Objectives. To appreciate the need for transactions for updating with integrity. To understand how Oracle satisfies the ACID requirements for transactions. Overview. This week’s lecture will cover:

By sun
(125 views)

CP204-3: Deep Dive on the Revit API: Advanced Topics

CP204-3: Deep Dive on the Revit API: Advanced Topics

CP204-3: Deep Dive on the Revit API: Advanced Topics. Matt Mason Director, Software Development, Avatech Solutions. Who Am I?. Director, Software Development for Avatech Solutions Veteran of over 60 small Revit Automation projects, 5 larger automation projects

By york
(241 views)

Assertions, Views and Programming Techniques

Assertions, Views and Programming Techniques

Chapter 9. Assertions, Views and Programming Techniques. Constraints as assertions. In SQL, users can specify general constraints via declarative assertions , using the CREATE ASSERTION statement of the DDL (data definition language).

By bairn
(156 views)

Transaction Management, Concurrency Control and Recovery

Transaction Management, Concurrency Control and Recovery

Transaction Management, Concurrency Control and Recovery. Chapter 22. Overview. What are transactions? What is a schedule? What is concurrency control? Why we need concurrency control: Three problems. Serializabiltiy and Concurrency control: Theory: Conflict Serializability

By boris
(266 views)

DISTRIBUTED TRANSACTION

DISTRIBUTED TRANSACTION

DISTRIBUTED TRANSACTION. FASILKOM UNIVERSITAS INDONESIA. What is a Transaction?. An atomic unit of database access, which is either completely executed or not executed at all.

By quasim
(86 views)

Chapter 9 Technology of a database server

Chapter 9 Technology of a database server

Chapter 9 Technology of a database server. Technology of database servers. Components: Optimizer - selects the data access strategy Access Methods Manager - executes the strategy RSS (Relational Storage System) OM (Object Manager) Buffer Manager - manages page accesses

By sukey
(89 views)

Advanced Topics: Indexes & Transactions

Advanced Topics: Indexes & Transactions

Advanced Topics: Indexes & Transactions. Instructor: Mohamed Eltabakh meltabakh@cs.wpi.edu. Indexes. Why Indexes. With or without indexes, the query answer should be the same Indexes are needed for efficiency and fast access of data. Without index, we check all 10,000 students.

By sovann
(177 views)

Transaction Models of DDBMS Zsolt N émeth

Transaction Models of DDBMS Zsolt N émeth

Transaction Models of DDBMS Zsolt N émeth. Topics covered : Transactions Characterization of transactions Formalization of transactions Serializability theory Concurrency control models Locks. Database may be temporarily in an inconsistent state. Database in a consistent state.

By chenoa
(134 views)

06 (a) Supplement RDBMS Issues 2

06 (a) Supplement RDBMS Issues 2

And Franchise Colleges. HSQ - DATABASES & SQL. 06 (a) Supplement RDBMS Issues 2. By MANSHA NAWAZ. RDBMS Issues 2: Database Recovery & Concurrency. Database Recovery. This lecture is concerned with advanced server based RDBMS needs. Recovery is Needed. When: Hardware errors occur

By makana
(120 views)

8. Distributed DBMS Reliability

8. Distributed DBMS Reliability

8. Distributed DBMS Reliability. Chapter 12 Distributed DBMS Reliability. Reliability. Problem How to maintain atomicity durability properties of transactions?. Fundamental Definition - Reliability.

By kiora
(343 views)

Chapter 9 Technology of a database server

Chapter 9 Technology of a database server

Chapter 9 Technology of a database server. Technology of database servers. Components: Optimizer - selects the data access strategy Access Methods Manager - executes the strategy RSS (Relational Storage System) OM (Object Manager) Buffer Manager - manages page accesses

By tarik-baldwin
(78 views)

Module 11: Managing Transactions and Locks

Module 11: Managing Transactions and Locks

Module 11: Managing Transactions and Locks. Overview. Overview of Transactions and Locks Managing Transactions Understanding SQL Server Locking Architecture Managing Locks. Lesson 1: Overview of Transactions and Locks. What Are Transactions? What Are Locks? What Is Concurrency Control?.

By rose-anderson
(106 views)

Session 3 Addendum: More on Transactions

Session 3 Addendum: More on Transactions

Distributed Systems. Session 3 Addendum: More on Transactions. CSC 253 Gordon Blair, François Ta ïani. Distributed Transaction: An Example. client. H. C. book hotel NYC 1 week. book flight Paris-NYC. End_Transaction. Begin_Transaction. option on 1 week. available. OK. Co. available.

By rooney-white
(86 views)

Chapter 10 Transaction Management

Chapter 10 Transaction Management

CSC 3800 Database Management Systems. Spring 2011. Time: 10:00 to 11:15. Meeting Days: MF. Location: Oxendine 1202. Textbook : Databases Illuminated , Author: Catherine M. Ricardo, 2004, Jones & Bartlett Publishers. Chapter 10 Transaction Management. Dr. Chuck Lillie.

By alvin-grant
(188 views)

06 (a) Supplement RDBMS Issues 2

06 (a) Supplement RDBMS Issues 2

And Franchise Colleges. HSQ - DATABASES & SQL. 06 (a) Supplement RDBMS Issues 2. By MANSHA NAWAZ. RDBMS Issues 2: Database Recovery & Concurrency. Database Recovery. This lecture is concerned with advanced server based RDBMS needs. Recovery is Needed. When: Hardware errors occur

By emi-washington
(126 views)

Concurrency Control and Reliable Commit Protocol in Distributed Database Systems

Concurrency Control and Reliable Commit Protocol in Distributed Database Systems

Concurrency Control and Reliable Commit Protocol in Distributed Database Systems. Jian Jia Chen 2002/05/09 Real-time and Embedded System Lab., CSIE, National Taiwan University. Outline. Distributed Database Management System (DDBMS) Concurrency Control models (CC)

By hedwig-buckley
(290 views)

Distributed Database Management Systems

Distributed Database Management Systems

Distributed Database Management Systems. Lecture 27. In the previous lecture. Defined Transaction Formally ACID Properties of a Transaction. In this Lecture. ACID Properties Types of Transaction Transaction in DDBS. Isolation and consistency are interrelated, one supports other

By lillian-buchanan
(127 views)

Outline

Outline

Outline. Introduction Background Distributed DBMS Architecture Distributed Database Design Distributed Query Processing Distributed Transaction Management Transaction Concepts and Models Distributed Concurrency Control Distributed Reliability Building Distributed Database Systems (RAID)

By marsden-duffy
(162 views)

Concurrency Control and Reliable Commit Protocol in Distributed Database Systems

Concurrency Control and Reliable Commit Protocol in Distributed Database Systems

Concurrency Control and Reliable Commit Protocol in Distributed Database Systems. Jian Jia Chen 2002/05/09 Real-time and Embedded System Lab., CSIE, National Taiwan University. Outline. Distributed Database Management System (DDBMS) Concurrency Control models (CC)

By anthonywright
(0 views)

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