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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.
What are synchronized methods and synchronized statements? Synchronized methods are methods that are used to control access to an object. A thread only implements a synchronize
write algorithm to perform the following operations on it create,insertion,deletion,for testing overflow and empty conditions.
Describe Logical Operators in Java ? The relational operators you've learned so far ( , >=, !=, ==) are enough while you only required to check one condition. Therefore what if
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Write a JavaScript program which having two functions that are sum and mean. The web page will ask the user to enter five values to be added. After taking input it will compute
code for error correction and detection using even odd parity
How DoS attack is a cyber crime? For what cyber crime can be used? DoS stands for Decline of Service and it is a cyber crime as it jams and within a few cases shut down the goa
in java string is a
A J2EE component is a self-contained functional software unit that is assembled into a J2EE application with its related files and classes and interacts with other components. The
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