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What is deadlock? Neither of the transaction can ever proceed with its normal implementation. This situation is known as deadlock.
Differentiate sub-class and super-class? The specialization of a class is known as subclasses.eg: employee is a subclass of person and teller is a subclass of employee. Convers
entity relationship diagram about finance
(1) Insert into PERSON Violated constraint: - Key constraint Reason: - Primary key 1 already exists in PERSON. Dealing: - DBMS could ask the user to provide valid PER
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
limitations and benefits in database tecknowlagy
Demonstrate the Design of associations During object design phase we must design a strategy to implement associations. Association may be unidirectional or bi-directional. Wha
What is the difference between link and reference? The fundamental difference between links and references is that links are symmetrical on the other hand references refer only
Ask question #Minim 100 words accepted#what is recovery management component in database management system and how it is useful
Q.1 Briefly discuss the different layers of ANSI SPARC architecture. Ans: The three layers of ANSI SPARC architecture are like this: 1. Internal view is at the lowest leve
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