Friday, June 26

Degenerated Dimension

Date Dimension corresponds to Date Key, Production Dimension corresponds to Production Key. In a traditional parent-child database, POS Transactional Number would be the key to the transaction header record that contains all the info valid for the transaction as a whole, such as the transaction date and store identifier. But in this dimensional model, we have already extracted this info into other dimension. Therefore, POS Transaction Number looks like a dimension key in the fact table but does not have the corresponding dimension table. Therefore, POS Transaction Number is a degenerated dimension.

Procedural programming

Procedural programming can sometimes be called as imperative programming, but can also refer as programming paradigm based upon the concept of the procedure call.In Procedural programming, for a given problem, variables are identified and instructions are written using the variables in the correct sequence to get required result. Using a procedural language, the programmer specifies language statements to perform a sequence of algorithmic steps.
 Some times conditional transfer control from one part of the program to another can also be done. In most cases Procedural programming is better choice than simple sequential or unstructured programming. This method is mainly used to solve scientific and engineering problems involving variables, with the discrete result as the out put of the program.

Sunday, June 21

Algorithm

An algorithm is a rough writing of program. It consists of step by step instruction to solve a given problem. The step will appear in wish the problem has to be solved, so that the correct out put can be achieved. The information to be given like input, out put and way it has to deliver are also defined. This makes the work of the programmer easy and also for the second program who takes of the work in maintenance farm to easy. So it is always advised to deliver a correct algorithm before moving to the next step of programming.

Friday, May 15

Philately

Philately means collecting postage stamps. It is hobby which can reward in many ways. This name was given by a French man called M.F. Firpin. First an English lady started collecting stamps in 1841. She actually spread this hobby to the world. Queen Elizabeth II of Great Britain was the single biggest collector. The first postage stamp was introduced in England in 1840. In India the first stamp was introduced in Sind province in 1852. A philatelist has divided his collection in to mountain, rivers, crops, birds, flowers, animals, insects, sports and games. They can also be sorted in order of years. The letter that comes to your house or to your friend’s house may bear the stamp. That can be peeled off and kept. They can also obtain from other philatelists or some shop. All the collection stamps can be pasted in an album in a particular order. A small write-up should be given under each stamp. It will be very useful for the collector and other to know about the country and picture in the stamp. So it is rewarding pastime.

Friday, May 1

Important of physical activity

Too mush sugar in the blood can cause damage to many parts of body, including to blood vessels. Some life habits may also raise the risk of heart diseases. Diet and exercise work to gather help you body work properly. If you have changed your diet to lose weight, excising can help you lose weight faster. You and your doctor can plan safe excises that will work for you. 

Tuesday, April 21

RGB color Mode

Based on the tristimulus theory of vision, our eyes perceive color through the stimulation of three visual pigments in the cones of the retina. These visual pigments have peak sensitivity at the wave length of about 630nm (red), 530nm (green) and 450nm (blue). By the comparing intensity in the light source; we perceive the color of the light. This is the base for displaying color output on a video monitor using three color primaries red, green and blue reference to as the RGB color model. The RGB color schema is an additive model i.e. intensities of the primary color are added to produce other colors. Each color points with I the bounds of the cube can be represented as the triple (R, G B) where values for R, G and B are assigned in the range from 0 to 1.shaeds of gray are represented along the main diagonal of the cube from the origin to the white vertex.

Friday, April 10

Stoke

People with diabetes are at an increased risk of stork because adversely affect the arteries, predisposing them to atherosclerosis. Over all, the risk of cardiovascular disease is two- and half times higher in men and woman with diabetes compared to people with out diabetes.In addition, people with diabetes who have stroke offer fare worse than with out diabetes. When the oxygen supply is cut off, other arteries can deliver oxygen by bypassing the blockage. In people with diabetes, however, many of the bypass arteries are also affected by atherosclerosis, impairing blood flow to the brain.
 


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