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详细介绍微软SQL Server 2008

Jun 07, 2016 pm 03:04 PM
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SQL Server 2008 是一个重大的产品版本,它推出了许多新的特性和关键的改进,使得它成为至今为止的最强大和最全面的SQL Server版本。这篇文章 详细 介绍 了Microsoft SQL Server 2008中的新的特性、优点和功能…… 在现今数据的世界里,公司要获得成功和不断

  SQL Server 2008是一个重大的产品版本,它推出了许多新的特性和关键的改进,使得它成为至今为止的最强大和最全面的SQL Server版本。这篇文章详细介绍了Microsoft SQL Server 2008中的新的特性、优点和功能……

  在现今数据的世界里,公司要获得成功和不断发展,他们需要定位主要的数据趋势的愿景。微软的这个数据平台愿景帮助公司满足这些数据爆炸和下一代数据驱动应用程序的需求。微软将继续投入和发展以下的关键领域来支持他们的数据平台愿景:关键任务企业数据平台、动态开发、关系数据和商业智能。阅读本文,了解微软数据平台愿景和SQL Server 2008怎样满足下一代数据驱动应用程序的需求。

  本文包括:

  1.   SQL Server 2008数据平台愿景

  2.   SQL Server 2008新功能

  •    关键任务平台
  •    动态开发
  •    不只是关系数据
  •    深入的商业洞察力

  3.   总结

  Microsoft数据平台愿景

  许多因素致使产生了信息存储爆炸。有了新的信息类型,例如图片和视频的数字化,和从RFID标签获得的传感器信息,公司的数字信息的数量在急剧增长。遵守规范和全球化的发展要求信息存储的安全性和在任何时候都可用。同时,磁盘存储的成本显著地降低了,使得公司投资的每一美元可以存储更多的数据。用户必须快速的在大量的数据中找到相关的信息。此外,他们想在任何设备上使用这个信息,并且计划每天使用,例如Microsoft Office系统应用程序。对数据爆炸和用户期望值的增加的管理为公司制造了许多挑战。

  Microsoft® 数据平台愿景提供了一个解决方案来满足这些需求,这个解决方案就是公司可以使用存储和管理许多数据类型,包括XML、e-mail、时间/日历、文件、文档、地理等等,同时提供一个丰富的服务集合来与数据交互作用:搜索、查询、数据分析、报表、数据整合,和强大的同步功能。用户可以访问从创建到存档于任何设备的信息,从桌面到移动设备的信息。

  Microsoft SQL Server™ 2008给出了如下的愿景。

详细介绍微软SQL Server 2008

  图1 Microsoft 数据平台愿景

  SQL Server 2008新功能

  SQL Server 2008出现在微软数据平台愿景上是因为它使得公司可以运行他们最关键任务的应用程序,同时降低了管理数据基础设施和发送观察和信息给所有用户的成本。

  这个平台有以下特点:

  ? 可信任的――使得公司可以以很高的安全性、可靠性和可扩展性来运行他们最关键任务的应用程序。

  ? 高效的――使得公司可以降低开发和管理他们的数据基础设施的时间和成本。

  ? 智能的――提供了一个全面的平台,可以在你的用户需要的时候给他发送观察和信息。

  一、可信任的

  在今天数据驱动的世界中,公司需要继续访问他们的数据。SQL Server 2008为关键任务应用程序提供了强大的安全特性、可靠性和可扩展性。

  (一)保护你的信息

  在过去的SQL Server 2005的基础之上,SQL Server 2008做了以下方面的增强来扩展它的安全性:

  •   简单的数据加密

  SQL Server 2008可以对整个数据库、数据文件和日志文件进行加密,而不需要改动应用程序。进行加密使公司可以满足遵守规范和及其关注数据隐私的要求。简单的数据加密的好处包括使用任何范围或模糊查询搜索加密的数据、加强数据安全性以防止未授权的用户访问、还有数据加密。这些可以在不改变已有的应用程序的情况下进行。

  •   外键管理

  SQL Server 2008为加密和密钥管理提供了一个全面的解决方案。为了满足不断发展的对数据中心的信息的更强安全性的需求,公司投资给供应商来管理公司内的安全密钥。SQL Server 2008通过支持第三方密钥管理和硬件安全模块(HSM)产品为这个需求提供了很好的支持。

  •   增强了审查

  SQL Server 2008使你可以审查你的数据的操作,从而提高了遵从性和安全性。审查不只包括对数据修改的所有信息,还包括关于什么时候对数据进行读取的信息。SQL Server 2008具有像服务器中加强的审查的配置和管理这样的功能,这使得公司可以满足各种规范需求。SQL Server 2008还可以定义每一个数据库的审查规范,所以审查配置可以为每一个数据库作单独的制定。为指定对象作审查配置使审查的执行性能更好,配置的灵活性也更高。

  (二)确保业务可持续性

  有了SQL Server 2008,微软继续使公司具有提供简化了管理并具高可靠性的应用的能力。

  •   改进了数据库镜像

  SQL Server 2008基于SQL Server 2005,并提供了更可靠的加强了数据库镜像的平台。新的特性包括:

    ? 页面自动修复。SQL Server 2008通过请求获得一个从镜像合作机器上得到的出错页面的重新拷贝,使主要的和镜像的计算机可以透明的修复数据页面上的823和824错误。

    ? 提高了性能。SQL Server 2008压缩了输出的日志流,以便使数据库镜像所要求的网络带宽达到最小。

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