0
Want this question answered?
Be notified when an answer is posted
Add your answer:
Earn +20 pts
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
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 mean by ER 70S in welding filler wire?
Er 70s mean,(er) electro resistance, 70s mean 70000 tensil strenth
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 does er ist mean in German?
er ist = he is
What are some words that mean destroy and end in er?
Some words that mean destroy and end in "er" are demolisher, exterminator, and obliterator.
What is the wattage on a Goldstar microwave model ER-711M?
600W
What does er mean in German?
he
What does the medical abbreviation er mean?
ER can mean emergency room or extended release, depending on the context.Emergency Room
What does the name Didi-er mean in hebrew?
"didi-er" has no meaning in Hebrew.
What does calf er mean?
Nothing
What does er suffix mean?
notin
