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商品描述
So it’s time to upgrade Oracle Database to version 12c and you need to choose the appropriate method while considering issues such as downtime. This book explains all of the available upgrade and migration methods so you can choose the one that suits your environment. You will be aware of the practical issues and proactive measures to take to upgrade successfully and reduce unexpected issues. You will learn best practices and recommendations for upgrading and will learn the patching process.
With every release of Oracle Database there are new features and fixes to bugs identified in previous versions. As each release becomes obsolete, existing databases need to be upgraded. Oracle Database Upgrade and Migration Methods explains each method along with its strategy, requirements, steps, and known issues that have been seen so far. The book also compares the methods to help you choose the proper method according to your constraints.
Also included in this book:
- Pre-requisite patches and pre-upgrade steps
- Patching to perform changes at the binary and database level to apply bug fixes
- Steps for upgrading using existing database backup
- Database downgrade steps in case the upgraded database isn’t compatible with your environment
- Steps to upgrade in a variety of environments, including high availability, multi-tenant, and e-business
商品描述(中文翻譯)
所以是時候將 Oracle Database 升級到 12c 版本，您需要在考慮停機時間等問題的同時選擇合適的方法。本書解釋了所有可用的升級和遷移方法，以便您可以選擇最適合您環境的方法。您將了解實際問題以及成功升級和減少意外問題所需採取的主動措施。您將學習升級的最佳實踐和建議，並了解修補程序的過程。
隨著每次 Oracle Database 的發布，會有新功能和修復先前版本中識別的錯誤。隨著每個版本變得過時，現有的數據庫需要升級。《Oracle Database Upgrade and Migration Methods》解釋了每種方法及其策略、要求、步驟和迄今為止已知的問題。本書還比較了這些方法，以幫助您根據約束條件選擇合適的方法。
本書還包括：
- 前置修補程序和升級前步驟
- 在二進位和數據庫層面進行更改以應用錯誤修復的修補程序
- 使用現有數據庫備份進行升級的步驟
- 如果升級後的數據庫與您的環境不兼容，則進行數據庫降級的步驟
- 在各種環境中升級的步驟，包括高可用性、多租戶和電子商務環境
