理学 数据库系统 释 data model 数据模型 数据库领域中定义数据及其操作的抽象表示方式。数据模型是数据库系统的核心和基础。各种数据库管理系统（DBMS）软件都是基于某种数据模型的。
data model 数据模型
数据库 数据库理论 释文 data model 数据模型
- Collected Plays of The Dream of the Red Chamber
- Collected Poems by Government Officials in the Reviving Period of Tang
- Collected Poems by Poets from Jiangsu
- Collected Poems by Poets from Zhejiang Province
- Collected Poems of Du Fu
- Collected Prologues to Suzhou-dialect Tanci Storytelling
- Collected Quatrains From the Tonight Studio
- Collected Quatrains on Painting
- Collected Rare Plays of Peking Opera
- Collected Records of Calligraphies and Paintings
- Collected Records of the Northern Alliance during Three Reigns
- Collected Rituals of Worshiping Confucius in Shandong
- Collected Scores of Changsha Flower Drum Opera
- Collected Scores of Huju Opera
- Collected Scores of Percussion Music in Peking Opera
- Collected Scores of Yu Sulu
- Collected Scripts of Suzhou Pingtan Storytelling
- Collected Shanzuo Ci-Poems from Stone Lotus Studio
- Collected Singing Tunes of Henan Bangzi Opera
- Collected Strange Stories Concerning Women
- Collected Studies on Chinese Opera
- Collected Studies on Opera and Fiction
- Collected Tales of Brilliant Notables
- Collected Textual Criticism on Nine Chapters on the Art of Mathematics
- Collected theses of Qi Gong