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the of super market system done in database
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.
Scenario 1: Power goes out after the first instruction. What happens?
under what condition log based recovery is feasible?
Law Associates is a large legal practice based in Sydney. You have been asked to design a data model for the practice based upon the following specification: The practice emplo
Example RELATION SCHEMA for STUDENT: STUDENT (Roll No: string, name: string, login: string, age: integer) RELATION INSTANCE
What is it ?
What is a view? Make a view of EMP table named DEPT 20, to display the employees in department 20 and their annual salary. Ans: View is a virtual table that does not consist
explain five responsibilities of DBA?
" Wound-wait" scheme : It is based on a preemptive method. It is based on a simple rule: If Ti requests a database resource that is held by Tj
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