数据库应用系统中索引重建技术和维护

Index Rebuilding Technology and Maintenance for Application System of Database

针对在数据库应用系统中,产生的碎片等情况,引起系统速度降低和空间被无效占用,产生不良的运行环境,造成不必要的损失。围绕如何克服这些不足之处,首先进行了理论研究,探讨了基本解决方案和优选方式,然后又提出了解决实际问题的方法,提高了数据库系统运行效率并论述了数据库索引的重建技术、维护技巧及注意事项。

To bring the fractions and others in application system of database, it＇s not good that the system speed can be lower and a part of space is ineffective. For overcoming these disadvantages,it makes theoretical research first, then points out the solved methods of real problems. And represents their rebuilding technology of database index, the methods of maintenance,attentive keys.