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You are to write a property management database program that allows a real estate agent to view, add, search, and save property listings. The program is to do the following: 1.
Define the concept of aggregation. Give two examples where this concept is useful. Ans: Aggregation transforms a relationship among the objects into a higher-level object. A
For your chosen project, you need to identify the current problem that you wish your project to solve. Produce a Problem Statement. The Problem Statement should explain the purpo
Locks: Serialisabilty is just a test whether a given interleaved schedule is ok or has a concurrency related trouble. Though, it does not make sure that the interleaved concurrent
What is meant by the degree of relationship set? The degree of relationship type is the number of participating entity types.
Answer SQL Queries to extract data from data tables and questions on mapping conceptual data models into relational data model.
10A.53 Code an Oracle Database trigger to enforce the constraint that an employee can never change his or her department. 10A.54 Code an Oracle Database trigger to allow the
Explain the disadvantages of creating a temporary table? If you have already created a temporary table with a shown name and attempting to create a second one with that nam
what is 3nf
Process of normalization is the integral part of designing a database. Justify this statement with suitable database design
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