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Normalization is a design technique that is mostly used as a guide in designing relational databases. Normalization is necessary a two step process that gives data into tabular form by removing repeating groups and then replaces duplicated data from the relational tables.
Redundant data wastes disk space and builds maintenance problems. If data that allows in more than one place must be modified, the data must be modified in exactly the same way in all locations which is prone to errors and time consuming. A modification to a customer address is much simpler to do if that data is stored only in the Customers table and now in the database.
Inconsistent dependency is a database structure that makes certain assumptions about the location of data. As, while it is intuitive for a user to look in the Customers table for the address of a particular client, it may not create sense to look there for the salary of the employee who invokes on that customer. The employee's salary is exist to, or dependent on, the employee and thus could be placed to the Employees table. Inconsistent dependencies can create data difficult to access because the path to find the data cannot be logical, or may be broken or missing.
Prog. Concepts - Project The objective is to implement a menu - based system for Bank Accounts in order to simulate a very simple banking system. Many structures have to be declare
1. The purpose of this problem is to practice using generics. Create a generic class with a type parameter that simulates drawing an item at random out of a box. For exampl
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Differentiate between Primitives and Objects Everything in Java is an "Object", as every class by default inherits from class "Object", except a few primitive data t
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Running a sample Java web application from the web get http 404 error
Component Developer to code in Java: Worked for Sansri's Gateway as Software Engineer . Here I Worked as a Component Developer to code in Java and J2EE technologies Here Ensu
Describe Importing Classes in java? Fully qualified names such as java.net.URL are not the most convenient thing to have to type. You can use the shorter class names like URL w
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The following set of short questions will focus on getting you familiar with JavaScript functions. All functions and testing should appear in a single XHTML 1.0 Strict page. All
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