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What is conceptual schema?
The schemas at the view level are known as subschema that describe dissimilar views of the database.
what is object-identity
usecase diagram,activity diagraM,SEQUENCE DIAGRAM
Describe disk manager and their work? Disk Manager: Responsible for fetching data regulated through file Manager from disk storage within Main memory and deciding what data to
Why did SAP introduce the extended star schema? Explain why it is reported to be better than the traditional schema model?
Q. Describe how an ER schema can be represented by relation schemas and constraints arising from ER design can be mapped to constraints on a relation schema. The entity rela
Create an entity relationship diagram, Database Management System
The ER diagram clearly showing the additional tables you have implemented. SQL table creation scripts for the tables you have set up. SQL scripts showing the sample data you
What is D command work in the respect of QBE? D: It is the command inside QBE to delete tuple(s) from the relation.
please i request for your assistance in developing a case-based online phone repair
Consider the following relational schema: PERSON (SS#, NAME, ADDRESS) CAR (REGISTRATION_NUMBER, YEAR, MODEL) ACCIDENT (DATE, DRIVER, CAR_REG_NO) OWNS (SS#, LICENSE) Constru
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