Oracle Database Transactions and Locking R...

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Beschreibung

Access much-needed information for building scalable, high-concurrency applications and deploying them against the Oracle Database. This new edition is updated to be current with Oracle Database 19. It includes a new chapter with troubleshooting recipes to help you quickly diagnose and resolve locking problems that are urgent and block production.

Good transaction design is an important facet of highly-concurrent applications that are run by hundreds, even thousands, of users who are executing transactions at the same time. Transaction design, in turn, relies on a good understanding of how the database engine manages the locking of resources to prevent access conflicts and data loss that might otherwise result from concurrent access to data in the database. This book provides a solid and accurate explanation of how locking and concurrency are dealt with by Oracle Database. You will learn how the Oracle Database architecture accommodates user transactions, and how you can write code to mesh with the way in which Oracle Database is designed to operate.

Oracle Database Transactions and Locking Revealed covers in detail the various lock types, and also different locking schemes such as pessimistic and optimistic locking. Then you will learn about transaction isolation and multi-version concurrency, and how the various lock types support Oracle Database¿s transactional features. You will learn tips for transaction design, as well as some bad practices and habits to avoid. Coverage is also given to redo and undo, and their role in concurrency. The book is loaded with insightful code examples that drive home each concept. This is an important book that anyone developing highly-concurrent applications will want to have handy on their shelf.

What You Will Learn

Avoid application lockups due to conflicts over accessing the same resource
Understand how Oracle prevents one application from overwriting another¿s modifications
Create transaction designs that mesh with how Oracle Database is designed
Build high-throughput applications supporting thousands of concurrent users
Design applications to take full advantage of Oracle¿s powerful database engine
Gain a fundamental knowledge of Oracle¿s transaction and locking architecture
Develop techniques to quickly diagnose and resolve common locking issues

Who This Book Is For

Oracle developers and database administrators faced with troubleshooting and solving deadlocks, locking contention, and similar problems that are encountered in high-concurrency environments; and application developers wanting to design their applications to excel at multi-user concurrency by taking full advantage of Oracle Database¿s multi-versioning and concurrency support

What You Will Learn

Who This Book Is For

Über den Autor

Darl Kuhn is a senior-level database administrator with decades of experience. He handles all facets of database administration from design and development to production support. He enjoys documenting and sharing knowledge and has authored several books on Oracle technology.

Thomas Kyte is a former vice president of the Core Technologies Group at Oracle Corporation. He is the same Tom who created the "Ask Tom" website and the Oracle Magazine column of the same name. He has a long history of answering questions about the Oracle database and tools that developers and database administrators struggle with every day.

Zusammenfassung

Gives you quick troubleshooting advice when you are faced with urgent locking conflicts

Provides a deep explanation of how Oracle's locking mechanisms enable high throughput

Covers best practices for transaction design aimed at high throughput and high concurrency

Inhaltsverzeichnis

1. Getting Started.- 2. Locking and Blocking.- 3. Locks, Latches, and Mutexes.- 4. Concurrency and Multiversioning.- 5. Transactions.- 6. Redo and Undo.- 7. Investigating Redo.- 8. Investigating Undo.- 9. Troubleshooting.

Details

Erscheinungsjahr:	2020
Genre:	Informatik
Rubrik:	Naturwissenschaften & Technik
Medium:	Taschenbuch
Seiten:	296
Inhalt:	xxviii 265 S. 12 s/w Illustr. 265 p. 12 illus.
ISBN-13:	9781484264249
ISBN-10:	148426424X
Sprache:	Englisch
Ausstattung / Beilage:	Paperback
Einband:	Kartoniert / Broschiert
Autor:	Kyte, Thomas Kuhn, Darl
Auflage:	2nd ed.
Hersteller:	Apress Apress L.P.
Maße:	254 x 178 x 17 mm
Von/Mit:	Thomas Kyte (u. a.)
Erscheinungsdatum:	15.10.2020
Gewicht:	0,561 kg

preigu-id: 118909239