'Conflicting actions' presentation slideshows

CS 245: Database System Principles Notes 09: Concurrency Control

1.62k views • 154 slides

Notes 09: Transaction Processing

945 views • 85 slides

CS4432: Database Systems II

CS4432: Database Systems II. Transaction Management Motivation. DBMS Backend Components. Our next focus. Transactions. A transaction = sequence of operations that either all succeed, or all fail Basic unit of processing in DBMS Transactions have the ACID properties: A = atomicity

683 views • 57 slides

Transaction Management

Transaction Management. DBMS Backend Components. Our next focus. Transactions. A transaction = sequence of operations that either all succeed, or all fail Basic unit of processing in DBMS Transactions have the ACID properties. Goal: The ACID properties.

468 views • 45 slides

More SLR /LR(1)

404 views • 29 slides

Database Systems ( ????? )

Database Systems ( ????? ). December 24/26, 2007 Lecture 13. Announcement. Assignment #6 will be out on the course webpage later this week. Concurrency Control. Chapter 17 (17.1~17.4). Questions. How to ensure that a schedule is both serializable & recoverable? What is Serializable?

406 views • 29 slides

CS4432: Database Systems II

CS4432: Database Systems II. Lecture #21 Concurrency Control : Theory. Professor Elke A. Rundensteiner. Concepts. Transaction : sequence of r i (x), w i (x) actions Conflicting actions : read/write on same resource A: r 1(A) w 2(A) w 1(A)

324 views • 23 slides

398 views • 22 slides