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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 database by a set of attributes.
Express the subsequent query in SQL assumes which the data is stored within EMPLOYEE table with relevant fields (i) Display name, job, salary, and hire date of employee who are
Explain the Log Based Recovery Method? The system log that is generally written on stable storage consists of the redundant data required to recover from volatile storage failu
What are audit trails? An audit trail is a log of all alters to the database along with information like which user performed the change and when the alter was performed.
What does conceptual design work? A conceptual design involves modelling independent of the DBMS.
i am required to come up with entities relationships, optionality and cardinality from a scenario. there is a night club and bookings for a musician band
. Ashutosh Dubey who is the director of Gyan Gurukul want a three-level schema architecture for the Gyan Gurukul Company that provide better security also design a data abstraction
composite attribute
draw er diagram using entities crop,employee,department,plot,cultivation plan,machinery,seed,fertilizer
HOW TO SOLVE THE LP Problems by simplex method?z=x1+-3x2+2x3
In E-R Diagram how relationship type is represented ? In E-R Diagram relationship type is represented as a Diamond.
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