Answer: B) The logical interface is where physical data independence occurs whereas the user interface is where logical data independence occursExplanation:The logical interface is where physical data independence occurs whereas the user interface is where logical data independence occurs....
There are two types of data independence – Physical data independence and Logical data independence. In this part, we will give you separate introductions to them both and a logical vs physical data independence review will be listed. Physical Data Independence What is Physical data independence?
Abstraction.Logical data models abstract away physical details, emphasizing data entities, attributes, and their relationships. Platform independence.Logical data models are independent of the specific DBMS or storage technology. Entity-relationship diagrams (ERDs).ERDs are a common tool for representing l...
physical data independence 物理数据独立性,数据实际结构独立性 logical data number 逻辑数据码 logical data structure 逻辑数据结构 logical data base 逻辑数据基,逻辑数据库 logical data link 逻辑数据链路 相似单词 independence n. 1.独立;自主;自立 2.【古】足以过温饱生活的收入(或财产) Independenc...
logical data independence 英 [ˈlɒdʒɪkl ˈdeɪtə ˌɪndɪˈpendəns] 美 [ˈlɑːdʒɪkl ˈdeɪtə ˌɪndɪˈpendəns]网络 数据...
which describes the storage structures and indexing methods that describe the database files. Physical data independence is defined as the capability to change the internal schema (storage structures/indexes) without having to change the conceptual schema. Logical database independence is defined as the...
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logical data independence 逻辑数据独立性相关短语 logic swing (逻辑1与0之间的电压差) 逻辑幅度 word space (串行数据的) 字间间隔 view modeling (数据库用) 意图模型化 micro image data (录在胶片上的数据) 显微数据 parallel transmission (数据传输) 同时传输 real time telemetry link (数据传输) 实时遥...
Conceptual vs Logical vs Physical ERD Databases are the backbone of modern information systems, serving as repositories for organized and structured data. When designing a database, it’s crucial to follow a structured approach that involves three distinct levels: conceptual, logical, and physic...
美 英 un.逻辑数据独立性 网络逻辑资料独立性 英汉 网络释义 un. 1. 逻辑数据独立性