Titlebook: Pro SQL Server Administration; Peter A Carter Book 20151st edition Peter Carter 2015

詞匯表

Indexes and Statisticsd nonclustered indexes, which are built on B-tree (balanced-tree) structures and enhance read performance on disk-based tables. There are also indexes that support complex data types, such as XML. DBAs can also create Columnstore indexes to support data warehouse–style queries, where analysis is per

引起痛苦

Assignment

輕浮思想

Encryptionstolen by unauthorized users, then it will be useless, unless the keys that were used to encrypt it are also obtained. This adds an additional layer of security over and above access control, but it does not replace the need for an access control implementation. Encrypting data also has the potentia

起波瀾

High Availability and Disaster Recovery Conceptsrs and their software are generally reliable, there is always the risk of a hardware failure or a software bug, each of which could bring a server down. To mitigate these risks, business-critical applications often rely on redundant hardware to provide fault tolerance. If the primary system fails, t

秘方藥

Implementing Clusteringh DBAs may not always need to build a cluster themselves, they do need to be comfortable with the technology and often need to provide their input into the process. They may also take part in troubleshooting issues discovered with the cluster.