- er模型
- （實(shí)體關(guān)系模型）：公司的實(shí)體、屬性和關(guān)系的詳細(xì)邏輯表示。
- 實(shí)體聯(lián)系模型
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entity-relationship model中文什么意思
例句與用法
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- 12 chen p p . the entity - relationship model - toward a unified view of data
例如，定義一個(gè)問題歸約范疇有所有的問題類組成。 - The entity - relationship model has gained acceptance in database design and is widely used in practice
實(shí)質(zhì)-聯(lián)系的模型已經(jīng)得到數(shù)據(jù)庫的接收設(shè)計(jì)并且廣泛地被用于練習(xí)。 - The entity - relationship model and the object - oriented model are representatives of the class of the object - based logical models
實(shí)質(zhì)-聯(lián)系的模型和物件定向的模型是以物件為基礎(chǔ)的合乎邏輯的模型類別的代表。 - The object - oriented model includes many of the concepts of the entity - relationship model , but represents executable code as well as data
物件定向的模型含實(shí)質(zhì)-聯(lián)系的模型許多觀念,但是表現(xiàn)可運(yùn)行的碼和數(shù)據(jù)。 - Some authors draw a clear line between the design models , typically uml models or entity - relationship models which are supposed to be abstract , and the xml schemas which include lots of implementation details
一些作者在設(shè)計(jì)模型和xml模式之間劃了一條清晰的界線，設(shè)計(jì)模型通常是uml模型或?qū)嶓w-關(guān)系模型，被認(rèn)為是抽象的，而xml模式則被認(rèn)為包含大量的實(shí)現(xiàn)細(xì)節(jié)。