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What Data model is said to be a semantic data model?
An Entity-Relationship (ER) model is commonly referred to as a semantic data model. It focuses on defining the entities, attributes of the entities, and the relationships between entities to capture the meaning of data in a domain. This model helps to visualize and understand the semantics of the data being represented.
What is the difference between data and informatin?
Data refers to raw facts or figures, while information is data that has been processed and organized to convey meaning or context. In other words, data is the individual pieces of information, whereas information is the meaningful interpretation of that data.
What are the Names of the types of data models in an ER diagram in the proper sequence they should be created?
In an ER diagram, the types of data models created in sequence are entities, attributes, relationships, and constraints. Entities represent the real-world objects, attributes describe the properties of entities, relationships establish connections between entities, and constraints define rules for the relationships or attributes. This sequence helps in organizing the structure and relationships of the data model effectively.
What is infomation?
Information is data that has been processed and organized to convey meaning or knowledge. It can be in various forms such as words, numbers, images, or sounds, used to inform and provide insights on a particular topic or subject.
What are the different types of information represented in the ER diagram and the symbols used to represent them?
The different types of information represented in an ER diagram are entities (represented by rectangles), attributes (represented by ovals connected to entities), and relationships between entities (represented by diamonds). Entities are the objects or concepts about which data is stored, attributes are the properties of entities, and relationships define how entities are connected to each other.
What medium is used to convey data symbols?
Data source is used to convey data symbols.
What is entities database?
Entity means a specific thing in both database work and data modeling. An entity is data that can be classified, and has a relationship with other classified data, as in entities.
What used a movement of the head or body to convey meaning?
What is used a movement of head or body to convey meaning
What is it called when a statement that is weakened to convey a stronger meaning?
a statement that is weakened to convey stronger meaning
What is the meaning of conveyed?
of Convey
What is the definition of symbolic speech?
It is a speech--Using a symbol or gesture to convey meaning, especially political meaning.
What are the characteristics of data model?
A data model specifies the rules and concepts on how to represent objects, their descriptions and how they relate. As such, the data model gives the definitions of the attributes and entities, specifies the datatypes of attributes and give relationships between entities.
What happens to the number of data entities when you normalize?
It increases It increases
I will intimate you on this meaning?
i shall convey you
What is a sentence using convey?
In this sentence, I am trying to convey a certain meaning. Is it coming across?
What does the context-level data flow diagram?
the system entities and how they are related
What is a movement of the hand to convey meaning?
gesture
