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Well, hello there! In the world of databases, a relation refers to a table with rows and columns, where each row represents a record and each column represents a field. On the other hand, a relationship in DBMS defines how the data in one table is related to the data in another table, usually through common fields. It's like painting a beautiful landscape - each element plays a unique role in creating the overall picture. Just remember, in the world of databases, both relations and relationships work together harmoniously to create a meaningful and interconnected system.
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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.
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)
Major difference between dbms vs rdbms?
A DBMS (Database Management System) is a software that manages databases and provides functionalities to store, retrieve, and update data. An RDBMS (Relational Database Management System) is a type of DBMS that stores data in a structured way using tables with relationships between them. RDBMS enforces the relational model, which allows for data integrity through constraints and supports SQL for querying data.
What is relation degree in DBMS?
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 is the difference between flat file and DBMS?
A flat file is a simple file containing data without any structured format, while a Database Management System (DBMS) is a software system that manages databases by organizing, storing, and retrieving data. A DBMS allows for more organized and efficient data management, supports relationships between data, and provides features like security and data integrity that are not available with flat files.
What is the Difference between relation schema and relation instance?
difference between relation sehema and relation instance in dbms
What is the difference between relation and relationship in database?
Relation: In Database a relation represents a table or an entity that contain diffrenet attributes.An Entity constructs a relation(table) in DBMS . Relationship: In Data base relationship is that how the two entities are connected to each other ,i.e what kind of relationship type they hold between them.Primary/Foreign key is used to specify or hold this relationship. By Tanzeel Ur Rahman Bhatti
What is a many to many relationship in dbms?
Many to many relationship in DBMS is usually a mirror of the real-life relationship between objects that tables represent.
What is the major difference between rdbms and dbms?
The 'r'
What is the difference between a desktop DBMS and a general DBMS?
I'm Looking for the Same awnser. anyone? Thank
What iis difference between dbms and tfs?
database approach
What is the cordinality of dbms?
the number of tuple in a relation is called the cordinality of a relation?
What is difference between network model and hierachical model of dbms in points?
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Difference between traditional and latest DBMS package?
Traditional FPS and DBMS both are different from each other. In DBMS there is security of data as well as integrated data while this is not in FPS.
What is the difference between homogeneous database and heterogeneous database?
A Homogeneous database will have only one DBMS, while heterogeneous databases have multiple DBMS's
What is the difference between database application and dbms?
A DBMS is a database management system. A database application would be something inside the DBMS such as: ~a way to search files ~a way to pull certain information
What is difference between check point and save point in DBMS?
save point saves the dbms and check point simply check the database thats it simple
