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"Nothing more than a few sentences. There is no word limit. I would not put more than a paragraph into it.
"Databases can enforce business rules on permissible values by implementing declarative constraints in the database. These include NOT NULL, CHECK, UNIQUE, REFERENTIAL INTEGRITY, and PRIMARY KEY constraints.
Why are these so important yet so often ignored by developers? What are the long term problems when these constraints are not implemented? "
What is the key value of the 4th index record on the top level, assuming each index record points to the record with the highest key value in a block of the next level down?
Identify and explain the differences between a stack and a queue data structure
Over 70% of web applications use database to store persistent data. Write some of the problems and issues associated with internet databases?
Write SQL queries for the books database that perform each of the following tasks: Select all authors from the Authors table with the columns in the order lastName, firstName and authorID.
Energy in the home, personal energy use and home energy efficiency and Efficient use of ‘waste' heat and renewable heat sources
Create a database for Ray. He is interested in movies and wants to keep information on movies, actors, and directors in a database. The only user is Ray, and he needs to produce reports.
Why do you believe that views by themselves are insufficient for protecting access by unauthorized users?
Express given five loosely described problems carefully in { Instance, Question } form as utilized in "Computers and Intractability". Determine that a list of n numbers has no duplicates.
Data Modelling (database) require 8 page essay covering the following subjects: Organizational Intelligence. It must specifically talk about organizational intellignece being outcome of organization's efforts.
Find the maximum salary of all employees who are not managers. Give all the managers in the database a 10 percent salary raise. Give all the other employees a 5 percent salary raise.
Evaluate the success WellCo and PharmaCARE shareholders
Its a lead a project that will implement a new learning management system for your university. You have two key tasks: Task 1: Investigate learning management software packages that are available through application service providers.
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