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a. Define the term "deadlock". There are four conditions that must hold before deadlock is possible. Name them.
b. Outline an algorithm that detects whether there is a deadlock. The algorithm should be able to cope with multiple types of resources, each type having a limited number of units available.
c. When should the algorithm be invoked? The answer to this question may depend on system characteristics such as the rate of resource requests, the granularity of resources, and the expected rate of deadlock. List three possible choices and discuss the criteria you would use to choose among them.
explain three types of internet risks to the consummers whent he business system is data dependent. how can we minimise these risks
Relations create the database. They must satisfy various properties, like no duplicate tuples, no ordering of tuples, and atomic attributes, etc. Relations that satisfy these basic
Describe the responsibilities of the DBA and the database designer ? The responsibilities of DBA and database designer are: 1. Planning for the database's future storage needs
Project Description: The work is about founding the best skilled person for the job. I will give you the job description. Skills required are Data Entry, Database Administrat
Consider the following relations: S (S#, SNAME, STATUS, CITY) SP (S#, P#, QTY) P (P#, PNAME, COLOR, WEIGHT, CITY) Give an expression within SQL for each of queries b
Consider the following six relation schemes and their corresponding sets of functional dependencies. In each case identify a. All the candidate keys b. The highest normal for
Need an expert in ER database theoretical and modeling database system Project Description: Need an expert in ER database theoretical and modeling database systems? Skills
can you create a database for me in oracle/sql
diagrams and meaning
What is Data dictionary? A data dictionary is a reserved space in a database that is employed to store information about the database itself. A data dictionary may consist o
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