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Draw entity relationship diagram for the following scenario.
A university has many departments whereas each department belongs to that particular uni. That uni has also many buildings whereas each building belongs to that particular uni . The uni has also many employees whereas each employee belongs to that particular uni. Every employee has only one parking space whereas each parking space belongs to only one employee.
Department offers many study programs whereas each program by only a single department.
Describe five main functions of a database administrator. Ans: A database administrator (DBA) is a person who is accountable for the environmental aspects of a database. Genera
File Organisation In Dbms Introduction Databases are used to store information. Usually, the principal operations we have to perform on database are those relating to:
What is inheritance? Define it in detail? Inheritance Inheritance can be at the levels of types, or at the level of tables we first consider inheritance of types, then i
why we fregment at all?
why older data models are being replaced by new data models.
Illustrate the State model for the ATM class let us take state model for the ATM class given below in Figure showing state model of the ATM class and the pseudo code derived fr
Step 1 . Using Oracle, create the tables identified in the preferred solution for Assignment 2. Technicians (ZipCode, TechnicianID, FirstName, LastName, Street, City, State, Home
Explain query execution plan? - Optimizer available in SQL Server optimizes code to be effectively executed. - A query execution plan demonstrates how this optimizer would r
draw er diagram using entities crop,employee,department,plot,cultivation plan,machinery,seed,fertilizer
Domain Constraint It shows that each attribute in a relation has to contain an atomic value only from the corresponding domains. The data types associated with commercial RDBMS
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