Archive

SQL, How To Select Columns, Rows And Join Tables

Selecting Specific Columns From a Table: SELECT command, used to retrieve information from the database, allows you to select the columns to be including in a query. A query is a request for information, and one of the most common DB operations. Queries are performed by the SELECT command. A SELECT command must have at least two clauses; the first one is SELECT (the columns to retrieve) and second is FROM (the tables which contains those columns). You may place the clauses on the same line or on separate lines but...

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Software as a Service (SaaS) and Its Usage

Basically there are four layers in the model of cloud computing:
  1. Business Process as a Service
  2. Software as a Service
  3. Platform as a Service
  4. Infrastructure as a Service

In this article we are going to discuss Software as a Service (SaaS) layer of cloud computing model. Software as a Service i.e. SaaS actually refers to the situation where the service provider provides customer the software applications by means of deployment over the internet. Sometimes SaaS is also called software on demand. History: Software as a service actually existed before cloud the...

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Top 50+ Cloud Computing Providers There are a variety of cloud computing providers all across the world that offers different products and services to the IT users. They cover every walk of life to provide more ease to the network administrators to manage things and to make processes swifter than ever. If we go back to the history, we’ll get to know that people were unable to even think of this great change that it may happen somewhere in future. All credit goes to the mighty technology that has brought revolutionary changes to the world of IT and the humanity started...

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Skype Now Becoming Layman’s Application

Introduction Skype is gaining popularity at such a rapid rate that most Internet users are already familiar with this application. It is an online communication software, which allows text chatting  and audio conferencing as well as video calls. Skype is actually a VOIP service which can be used to make calls to another person’s computer or to their land lines. There are many reasons for its popularity:  free registration, no monthly fees, free computer-to-computer calls as well as cheap rates for landline calls, ease of use, etc.  Even someone with no or very little technical knowledge...

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Microsoft Active Directory Universal, Global and Local Security and Distribution Groups

When we conceive a new assembly in Microsoft Active Directory, we should choose an assembly type. Two of the assembly kinds are described as follows: 1. Security Groups in Active Directory: Such assemblies permit us to organize client and PC to get access to distributed resources. We can also command who obtains assembly principle settings. It makes management easy by allowing us to establish permissions one time on many PCs, then to change the members of assembly as required. The alteration in assembly members mechanically affects all over. We can...

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Virtualization Basics, Needs and Benefits

Points Covered
  • Microsoft VirtualizationVMware and all other main virtualization companies and their products
  • Comparing each with others if possible a table with their + or –
  • History of each in short
  • Benefits
  • Involved hardware
  • Involved software
  • Deployments
  • Software virtualization and hardware virtualization

Virtualization – An Introduction Virtualization can be defined as a methodology or framework that helps to divide the computer resources into numerous execution environments using various technologies and/or concepts, like software and hardware partitioning, complete or partial machine simulation, time sharing, service quality, and emulation, etc....

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How to Find the Best Software among Open Source, Freeware and Shareware?

You must have heard of the different types of software, but I’m pretty sure that you don’t know their benefits. Well, it is natural to use things directly without wasting time to get to know their proper use and what they actually offer. In this article, I’ll tell you the major differences between different types of software and their benefits. Types of software:
  • Open source
  • Freeware
  • Shareware
Open Source Software: Open source is a sort of software type, which refers to the fact that the source cipher is accessible to...

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Multimedia Programs

These are the programs that help us in presenting multiple kinds of media, including sounds from different sources, graphic display as well as written texts. Majority of these Multimedia programs causes a clear interaction with their user to gain attention. Pages of a page are one of the multimedia that causes interaction with the user. This is because they are a combination of different media including sounds, graphics and even texts. All computers perform their operations with all the kinds of media of which art is one of them and this is only possible if the resources of...

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Usenet: Worldwide Internet Discussion System

Usenet is a famous discussion system that is made available in the internet. It has a variety of groups, which are hierarchically named and people can submit articles. Usenet is usually viewed as part of web forums and emailing services. People respond to articles by posting follow-up articles, and a thread of discussions is created as others reply to the topics.

Usenet can be accessed by use of Usenet client that communicates with a Usenet server also known as Network News Transfer Protocol Server (NNTP server). Usenet can also be viewed...

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Microsoft Office Brief Description Differences

In the year 1989, Microsoft has commenced its office suite applications which initially include Microsoft Word, Excel and Power Point versions compatible for Microsoft Windows and Mac OS X operating systems. The application upgrades through years with spell checkers, OLE data integration, Microsoft Visual Basic and other Office Business Applications. More and more upgrades are introduced in the market and to trace back these different versions from Microsoft Office 97 to Microsoft office 2010, each be differentiated in the light of their main of features. Office ‘97 Office ’97 is still equipped with Microsoft word’s basic components...

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