20
物理设计目标...............................................................................................................426
物理模型的组成...........................................................................................................428
规范的意义...........................................................................................................................429
数据库对象的命名.......................................................................................................429
物理存储.......................................................................................................................431
存储区数据结构...........................................................................................................431
优化存储.......................................................................................................................432
使用 RAID 技术...........................................................................................................434
数据仓库索引.......................................................................................................................435
索引一览.......................................................................................................................435
B-Tree 索引 ..................................................................................................................437
位图索引.......................................................................................................................437
簇索引...........................................................................................................................438
索引事实表...................................................................................................................438
维表索引.......................................................................................................................439
提高性能的技术...................................................................................................................439
数据分区.......................................................................................................................440
数据聚簇.......................................................................................................................441
并行查询.......................................................................................................................441
汇总级别.......................................................................................................................442
参考一致性检查...........................................................................................................442
初始化参数...................................................................................................................442
本章总结...............................................................................................................................443
思考题...................................................................................................................................443
练习题...................................................................................................................................444
第十九章 数据仓库部署...........................................................................................................445
本章目标...............................................................................................................................445
部署的主要任务...................................................................................................................446
完成用户接受...............................................................................................................446
执行初始加载...............................................................................................................447