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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.
how design database from begining
Explain data independence ? Data independence is the capacity to modify the schema at one stage of a database system without having to change the schema at the further level.
E-R Model This data model is based on real world that consists of basic objects named entities and of relationship among these objects. Entities are illustrated in a database
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
While sorting field groups we cannot use more than one key field False.
Data Warehousing & Mining 1. What is the concept of knowledge discovery in database? 2. Describe the following types of Multidimensional Data Models. • Stars, Snowflakes and
Which two tools are used to administer users for Active Directory?
comparison of oracle RDBMS with MySQL
Increased parallelism : Since the replicated date has several copies a query can be distributed or can be answered from the smallest loaded site. Also, with more replicas you have
Question 1 List and explain various Normal Forms. How BCNF differs from the Third Normal Form and 4th Normal forms? Question 2 Describe the concepts of Structural Semantic Da
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