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Degree of relationship
One-to-many relationships
This means how many of one entity can be related to how many of the other(s). Ask yourself how many of each entity there can be.
In this kind of relationship one of the entities can be related many times to another entity. For example, one excavation can contain many finds; one person can commit many crimes.
What else can I help you with?
What is relation instance in DBMS?
In DBMS, a relation instance refers to a particular set of data rows within a database table at a given point in time. It represents the actual values stored in the database for that specific table. Each row in a relation instance corresponds to a record or tuple within the table, containing values for each attribute.
Dbms and rdbms?
A DBMS (Database Management System) is a software application that allows users to interact with a database. An RDBMS (Relational Database Management System) is a type of DBMS that organizes data into tables with rows and columns, and uses structured query language (SQL) for querying and managing data. RDBMSs are a subset of DBMSs, designed specifically for relational databases.
What are three types of dbms?
Hierarchical DBMSNetwork DBMSRelational DBMS
What is relation between sql and dbms?
As we all know that SQL stand for sequence query language. it is a unique language use for control or manipulate data in DB. And DBMS is a software. So they both are noting without each other. There is a relationship of compiler and language in between them.(written bySYED FATEHYAB AHMEDfrom biit)
What is the fullform of DBMS?
The full form of DBMS is Database Management System.
What do you mean by degree in DBMS?
It is the number of attribute of its relation schema. Its is an association among two or more entities..
What is the cordinality of dbms?
the number of tuple in a relation is called the cordinality of a relation?
What is the Difference between relation schema and relation instance?
difference between relation sehema and relation instance in dbms
Dbms degree or arity?
Arity=#attributes
Give entity relation diagram for hospital system in dbms?
d_id,d_name
What do you mean by degree of relation in relational data base management system?
The degree of a relation is the number of attributes the relation has in it.The degree of a relation can be zero or more integer. An n-ary relation is a relation in which its degree is n in turn a relation of n attribute(s).
What is minimal normal form a relation must satisfy in dbms?
Third normal form.
Why relation have key in DBMS?
A software system that facilitates the creation and maintenance and use of an electronic database
What is relation instance in DBMS?
In DBMS, a relation instance refers to a particular set of data rows within a database table at a given point in time. It represents the actual values stored in the database for that specific table. Each row in a relation instance corresponds to a record or tuple within the table, containing values for each attribute.
Why duplicate tuples are not allowed in DBMS?
Since relation is a set, and tuples are element of a set, according to set theory, the elements of a set are not ordered.
What do you mean by degree of relation in relational database management system?
It is the number of the attribute in the relation
What are highlights of DBMS?
NA_ what are highlights of advanced DBMS what are highlights of advanced DBMS what are highlights of advanced DBMS
