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A database may be defined as "a repository or collection of logically related data is called a d...
(info-core news)--From faraway planets to the deepest depths of the ocean, 2012 has been an ...
In early complicational data processing when there were no database, data was mainly store...
FORCE AND MOTION This chapter is also known as Dynamics DYNAMICS: It is a branch of Mechanics in ...
CHARACTORISTICS OF SOUND Following are the characteristics of sound; 1- LOUDNESS: The magnitude of...
Definition: The branch of Mechanics, in which we study about the Motion, in the absence of Force. O...
SOUND : It is a form of energy, which travel in the form of waves.It is produced by vibration. It c...
Olympic Games conducted after every four years are very ancient, almost all the countries partici...
PROPERTIES OF MATTERS ELASTICITY: It is the property of solid, it can be described as “when a fo...
Pakistan is a country surrounded by many problems right now, for one it is facing the worst econom...
WAVE MOTION Vibratory Motion (wave Motion) When a body moves to and fro about a mean posi...
MAGNETIC LINES OF FORCES: When electric current passes through a conductor then magnetic field is p...
Olympics closing ceremony this year was quite unique and had different approach. The approach was to...
It has been reported that the cellular services which were suspended so that any attempt of terroris...
In the quarter finals of ICC under-19 World cup cricket tournament at the Tony Ireland Stadium, Paki...
A very shocking development has occurred in Egypt which is perceived to be the mother of all civiliz...
CHARACTORISTICS OF WAVES: REFLECTION OF WAVES: The bouncing back of waves is called Reflection...
Malala yousafzai along with other innocent girl shazia were shot by Taliban in swat when they were...
Definitions 1. Electronics Electronics is a branch of Physics, which deals with the development of...
ELECTROSTATICS ELECTRIC CHARGE: Charge was first described in 1672 by Otto Von. 150 years later na...
A very prominent Hollywood films director Tony Scott has committed suicide at the age of 68 years by...
On the 8th of August this month Supreme Court of Pakistan issued the contempt notice to the Pri...
The patent war has been raging between Apple and Samsung for quite a long time now. Apple got a vict...
MOMENTUM: The momentum of a body is defined as ‘the product of its mass and velocity’. P= m x v T...
G4S is the world’s largest security firm and it employs approximately 10,000 Pakistani staff, it als...
On Saturday the former US astronaut Neil Armstrong died at the age of 82. Neil had the honor of be...
It is the branch of Physics that deals with the structure, properties and reaction of particles foun...
The Indian Government recently blamed Pakistan for cyber warfare by saying that bulk of SMS and MMS ...
SPHERICAL MIRRORS Definition Curved surfaces mirrors which reflect the light rays are ca...
Electric Current The flow of charges in one second through a unit area is called electric current. ...
Pakistan has a huge amount of talent hidden in it which needs proper nurturing. This is quite evid...
According to the latest sources a group of terrorists have attacked the kamara airbase, Minhas bas...
Pakistan has had held the world record for most people singing anthem twice, last time Pakistan...
A database management system abbreviated as DBMS is an important component of an environme...
(info-core news)--From faraway planets to the deepest depths of the ocean, 2012 has been an exciting year for scientific achievements and milestones.
Humans broke previously unimaginable barriers by detecting an elusive tiny particle and free-falling 24 miles from the edge of space. At the same time, we said goodbye to four retired NASA space shuttles that found new museum-type homes.
Here's our list of the biggest science achievements this year, in order of significance:
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A database management system abbreviated as DBMS is an important component of an environment in which business applications are supplied with their data from a database. In other words a computer based information system relying on database approach is incomplete without a DBMS.it is the requirement of any database that is to be developed and implemented in an organization to handle its business activities.
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In early complicational data processing when there were no database, data was mainly stored for scientific and engineering calculations. gradualy one computers were introduced into the business world, they would only be applicable to business if they could store, manipulate and retrieve large file of data. this gave birth to conventional file system in which a file was actully an area of secondery memory where serveral records ware stored.these files were accessed with the help of certain file handling programs. these programs were developed using hight-level programmaing languages such as pascal, C, BASIC and so on.
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A database may be defined as "a repository or collection of logically related data is called a database". the term "logically related" will become clear in the next coming chapters however at this begning stage, the reader should believe that real-world relationships among places,objects,events,concepts or what so ever are tha bases of database development phenomena.
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ELASTICITY:
It is the property of solid, it can be described as “when a force a force s released, an elastic material goes back to its original shape”.
OR
When an object (solid) restore its original shape, after the force is released. This property is called elasticity.
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