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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.
1. Create the tables for the play-scheme database as specified in the TMA. 2. Enter the data as given in the spreadsheet. 3. Create queries to retrieve specified information
Describe the storage structure of indexed sequential files and their access method. Ans: Storage structure of Indexed Sequential files and their access: To achieve fast rand
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What are the Objectives of Advance object design After this unit, you shall be able to: combine three OOAD models to obtain operations on the classes; develop algo
Define the concept of generalization A generalization is relationship between specific kind of thing and general thing. It is also known as "is-a-kind-of" relationship. Inher
How does Oracle act as ODBC and give examples of front end uses with ODBC? ODBC achieve portability at the level of the executable by introducing an extra level of indirection.
Self-Join: In a self join a table is joined with itself. Let consider the following sample partial data of EMP table EMPNO ENAME MGRID
Define the term- Actors and Data Stores Actors: An actor is the active object which drives data flow graph by producing or consuming values. Actors are attached to inputs a
what is binary relationship
What is a block and a block number? A block is a contiguous sequence of sectors from a single track of one platter. Every request specifies the address on the disk to be refere
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