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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 in any real world situation where any entity can be related to any entity. The NDBMS was proposed by a group of theorists called as the Database Task Group (DBTG).
What is E-R model? This data model is based on real world that having of basic objects called entities and of relationship between these objects. Entities are explained in a da
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What are the advantages of embedded query language? Give an example of an embedded SQL query. Embedded query language - SQL could be implemented within two ways. It can be us
Question: AirwaysCentre, an international airline booking company currently uses a relational database system for their operations, which includes the following relations: P
Question 1 What are the advantages of DBMS approach in managing data? Question 2 What are the services provided by a database system Question 3 List and briefly describe
What is an E-R model? Draw an E-R Diagram for the company database with following Descriptions? The company is organized within departments. Each department has a unique name a
Describe in brief about the Sequence Diagrams Sequence diagrams are interaction diagrams which emphasize time ordering of messages. In UML, it is shown as a table which shows
What is nested relational model? The nested relational model is an extension of relational model in which domains might be either atomic or relation valued.
can you please explain with the help of suitable example the difference between conflict equivalence and conflict serializability?
Define an operator that a Relational Algebra does not have Ans: Relational Algebra does not have Aggregation operators.
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