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Is schema a logical structure or physical structure in oracle database?

the schema can be termed either conceptual or logical or physical. But mostly speaking, the term schema is used to refer to a logical structure.


How are the internal external and conceptual schemas related to concept of logical and physical data independence?

The internal schema represents the physical storage structure of data, the external schema represents how different users view the data, and the conceptual schema defines the logical structure of the entire database. Logical data independence means that the conceptual schema can change without affecting the external schemas, while physical data independence means that changes in the physical storage structures do not affect the conceptual or external schemas.


What is conceptual and physical view of Management Information System?

The physical view of MIS is the assembly of many subsystems based on the organization's databases. While on the other hand, conceptual view is an overall view of all the organization's databases.


Basic differences between conceptual schema and a physical schema?

* Conceptual - a model that captured the essential data that needed to be stored and the relationships between elements * * ** Physical - the on disk representation of data that accounts for layout, partitioning, index, space management, etc.


This structure is the physical location at which the coordination of the information and resources to support incident management activities normally takes place?

Emergency Operations Center


What is the difference between a physical and a conceptual paragraph?

According to Louis Trimble, author of the textbook English for Science and Technology, a conceptual paragraph ...consists of all the information chosen by the writer to develop a generalization, whether this is stated or implied.A physical paragraph, refers tothat amount of information relating to the generalization which is set off from other parts of the discourse by spacing or indentation


Is a computer a physical system or a conceptual system or both?

A computer is a physical system which works on conceptual basics. so you can say it's both.


Is 700 this structure is the physical location at which the coordination of information and resources to support incident management on scene operations activities normally takes place?

Incident Command Post


What is physical data structure and logical data structure?

Physical data structure: This is the physical equipment involved in the network eg router, cabling etc). Logical data structure: This is how the information flows internally and externally (the transfer of information from one node to another on the network).


What types of models are there?

physical mathematical conceptual


What is the antonym for physical?

morally, mentally


What is the difference between a physical model and a conceptual model?

conceptual model :A conceptual model uses idea to suggest what system is or how it works.A physical model : A physical model might be a scale model , either larger or smaller than the actual system it represents.