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Do bacteria have smooth er?
No, bacteria do not have smooth endoplasmic reticulum (ER). Smooth ER is a cell organelle found in eukaryotic cells, not in prokaryotic cells like bacteria.
Do bacteria have ER?
No, bacteria do not have endoplasmic reticulum (ER) like eukaryotic cells. Bacteria lack membrane-bound organelles, including the ER, and instead have a simpler internal structure.
ER Diagram of transport system of college?
An ER diagram of a college transport system would typically include entities such as Student, Driver, Vehicle, Route, and Booking. Relationships between these entities would show how students book rides, assign drivers to vehicles, and track routes taken. Attributes for each entity might include student ID, driver license number, vehicle number, route ID, and booking timestamp.
How do you draw an Er diagram on school management system?
An ER diagram of a library database management system helps to keep all aspects of running a library organized. The diagram should include the books and publishers, as well as members of the library and who has checked out which books.
Smooth ER function?
Interesting the answer is to produce functions
Entity relationship model with example?
draw an er diagram on attendance management system
Entity-relationship model retaurent management?
er daigram and dfd retaurent management?
What is er model in dbms?
In software engineering, an Entity - Relationship model(ER model for short) is an abstract and conceptual representation of data. Entity-relationship modeling is a database modeling method, used to produce a type of conceptual schema or semantic data model of a system, often a relational database, and its requirements in a top-down fashion. Diagrams created by this process are called entity-relationship diagrams or ER diagrams.learn more www.ngprakasam.hpage.com
Er model.... Entity relationship diagram about how patient sets appointment to a doctor for check up....?
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What is ER models?
The Entity-Relationship Model is often referred to as a semantic data model, because it more closely resembles real world scenarios than, e.g., the relational model. . In the ER model, we model the concept of "Instructors." In the relational model we deal with names and phone numbers. . In the ER model, there is a distinction between entities (objects) and relationships between such entities. In the relational model, both concepts are represented by relations.
What are the components of er model?
components of er model are :- 1. external entity 2. relationships :- one to one , one to many , many to one , many to many 3. attributes 4. cardinality 5. participation
What are two types of ER?
The two types of ER (Entity-Relationship) models commonly used in database design are the conceptual ER model, which describes the high-level concepts and relationships in a system, and the logical ER model, which defines the structure and constraints of the database in more detail.
Two types of ER?
There are two types of ER (Entity-Relationship) models: conceptual ER models, which focus on defining entities, attributes, and relationships in a domain, and logical ER models, which involve translating the conceptual ER model into a specific database schema design.
What is meaning of IR and ER in people management?
ER means Entity Relationship
In model ER why you need DBMS system?
Because it is very useful in mapping the meanings and interactions of real-world enterprises onto a conceptual schema. Because of this usefulness, many database-design tools draw on concepts from the ER-model. The ER data model employs three basic notation:a.) Entity setsb.) Relationship setsc.) Attributes.
What is the definition of entity?
Entity could be anything which is perceived to have a distinct and separate existence (living or non-living). The basic object that the ER model represents is an entity. An entity is a thing in the real world with an independent existence. An entity may be an object with a physical existence or it may be an object with a conceptual existence. Each entity has attributes- the particular properties that describe it. A particular entity will have a value for each of its attributes.
What is E-R data model?
The Entity-Relationship Model is often referred to as a semantic data model, because it more closely resembles real world scenarios than, e.g., the relational model. . In the ER model, we model the concept of "Instructors." In the relational model we deal with names and phone numbers. . In the ER model, there is a distinction between entities (objects) and relationships between such entities. In the relational model, both concepts are represented by relations.
