Mobile | King Info Life

Structured Query Language (SQL) - Data Definition Language - Data Manipulation Language


sql

In order to perform certain operations on existing databases, the Structured Query Language (SQL) is always used. In order to carry out the tasks performed in the database, certain commands such as CREATE, DROP, INSERT, ALTER, DELETE, etc. are used. SQL is really the computer language, used by database administrators, in order to design, develop and manage databases. When database administrators use SQL, they can execute queries against the database and they can also insert, delete, update and retrieve data from the database.

Associative Entities and Many to Many Relationships in Databases


er model

Objects or things in the real world are represented in the database as entities, such as student, course, and teacher. When entities have complex relationships, then an associative entity is used, in order to minimize complexity. The occurrence of one or more entity types is associated together, in order to form an associative entity. The associative entity is often times used in a many-to-many relationship, where the relationship between the entities can be defined by another entity. The associative entity is also known as concatenated, junction, bridge or intersection entity.

The Life of a System Analyst - System Requirements Gathering


System Analyst

The life of a system analyst is all about making a software that is both reliable and done in time, with the budget provided, under the obstacle, risks and constraints they face throughout the life of the project. When a system analyst would like to save time, during requirements gathering, he/she must choose and follow the proper requirement gathering technique, which would help that system analyst to save time. There are several requirements gathering techniques and one very interesting technique, which can help system analyst to save time, would be to interview.

Application Development - What You Need To Know


application development

The world of applications have taken our society by surprise, because many of us today use them, and sometimes, don’t know what to do if we didn’t have them. In today’s article, we are going to talk about application development, in order to figure out what it is that developers need to know, in order to successfully develop an application.

The 21 Most Used Mobile Operating Systems of The World


Mobile os

The world of mobile devices, has to have software inside them which would help them provide customers, the services they need. In today’s article, we are going to list, the 21 most popular operating systems, used by mobile devices, to satisfy their consumers.

Here are the 21 most used operating systems (OS) in mobile devices:

Operating System #1: Apple iOS : Apple Inc. developed this mobile operating system, exclusively for Apple made hardware. Devices such as the iPhone, iPad, and iPod touch, are currently being powered by the Apple iOS.

Location Based Services Are Changing The Way We Experience Mobile Devices


location based services

Our mobile world, has changed and will continue to change in the future; we need to be aware of these changes, so that they don’t catch us by surprise.

In today’s article, we are going to talk about, Location-Based Services (LBS), to understand how the geographic location of people are being used, in order to sell products to consumers.

Using real time geo-data from a mobile device or smartphone, information entertainment and security are provided to users, though LBS.

The Application Development Process is A Complicated and Intricate Process


Application developement

The applications which we use today are very valuable to people, this is why many people use them; therefore, we need to understand them better.

In today’s article, we are going to talk about, setting up an application in any platforms, so that it is useful to your clients.

In order for a developer to develop an application on any platform, an environment has to be set up on the computer first.

Without your environment, you will not be able to develop an application, which is useful to your users.

CDMA (Code Division Multiple Access) and GSM (Global System for Mobiles)


Mobile development

The mobile technology has taken the world by storm, because many people can’t see themselves, without a mobile device.

In today’s article, we are going to talk about, the two major radio systems used in cell phones, known as CDMA (Code Division Multiple Access) and GSM (Global System for Mobiles) .

Code Division Multiple Access, is not as popular as Global System for Mobiles; however two major cell phone services providers, use the CDMA technology in the United States of America.

The Radio Wave Technology Form An Integral Part Of Mobile Technology Communication


Radio waves

The world of mobile devices has really changed the way we communicate, in today’s society.

We no longer have to wait in lines to use pay phones, in order to communicate, with our families; unless of course you are in prison, then you are in hell.

Information has also been made accessible to us, freely through mobile devices, because we no longer have to use actual stationary computers, to get on the Internet.

In today’s article, we are going to talk about radio waves, to understand how cell phones transmit data, so that we are able to communicate.

The Virtual Reality Technology, is Starting to Receive A Lot of Attention


Virtual Reality

The technology that we enjoy today, is indeed more advanced and very different from the technology, we had in the past.

In today’s article, we are going to talk about the virtual reality technology (VR), to understand its implications in our society.

Using nothing more than the power of technology, we have created a way for us to travel, using virtual reality, in a fascinating new way.

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