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Explain Superkey Ans: A superkey is described in the relational model of database organization like a set of attributes of a relation variable for which it holds that in all re
What is an entity relationship model? The entity relationship model is a collection of basic objects known as entities and relationship between those objects. An
assume we have the following apllicationthat model sccer team the games they play and the players inv each teamin the design we want to capture
Objectives After reading this unit you should be able to: Explain storage of databases on hard disks; Discuss the execution of various file Organisation techniques;
Which two tools are used to administer users for Active Directory?
Explain the Recoverable Schedule A recoverable schedule is one in which for each pair of transactions Ti and Tj such that Tj reads a data item formerly written by Ti, the comm
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
how many types of data model in DBMS? explain data abstraction with its different level
How to draw an ER diagram to a finance companz
A full discription of the new, a discription of its components, and the bebefit it will provide a company. A disscussion of the information usedin the system. A disscussion of any
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