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Write short notes on relational model
The relational model uses a collection of tables to show both data and the relationships between those data. The relational model is an example of a record based model.
What is meant by the degree of relationship set? The degree of relationship type is the number of participating entity types.
Define Network DBMS The NDBMS is built primarily on a one-to-many relationship, but where a parent-child representation between the data items cannot be ensured. This may occur
About Attribute inheritance
What are the different approaches for database design? There are two basic approaches for database design which are as follows: Attribute driven: It compiles a list of att
Key to represent relationship amongs tables is called ? A Key that represent the relationship between tables is called Foreign Key.
PHYSICAL DBMS ARCHITECTURE The physical architecture defines the software components used to process and enter data, and how these software components are related and interc
What is the aim of object design The aim of object design is to identify object which the system contains and the interactions among them. The system implements specification
Distributed Control and Data sharing: The geographical distribution of an organization can be showed in the distribution of the data; if a number of different sites are linked to e
what is specialization?
Consider a systems development project with the following data Activity Duration (weeks) Precedence Relationship 1. Software design
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