Grouping data is the process of combining columns with duplicate values in a logical order. For example, a database may contain information about employees; many employees live in different cities, while some employees live in the same city. You may want to execute a query that shows employee information for each particular city. You are [...]
Rule 1: Don’t attach labels and data fields to opposite edges of a form or control panel
If columns of an invisible table are used to lay out labels and data fields on a form or dialog box, the two columns should be adjacent. They should be attached to each other, not to opposite edges of [...]
Normalization provides numerous benefits to a database. Some of the major benefits include the following :
Greater overall database organization
Reduction of redundant data
Data consistency within the database
A much more flexible database design
A better handle on database security
The system catalog contains a variety of information accessible to many users and is sometimes used for different specific purposes by each of those users.
The system catalog contains information such as the following:
User accounts and default settings
Privileges and other security information
Performance statistics
Object sizing
Consistency is good anyway
Consistency can certainly be misapplied in UI design, but that doesn’t mean we should abandon the concept. Just because we don’t have a formal definition of consistency doesn’t mean that the concept is useless. It clearly has value to software users, even though their ideas of what is and is not consistent [...]
The right way to design: Think outside-in
Thinking outside-in when designing a UI means making sure it makes sense to people who do not know everything you know about it. This doesn’t mean you should assume users are stupid. They probably know more than you do about the software’s supported tasks. What users don’t know is [...]
A common complaint about software applications is that they are hard to learn. Learning takes time; the more a user has to learn in order to use a product or service, the longer it will be before that user can be productive. Time is money. Furthermore, if users are not required to learn to use [...]
The human mind is very good at multitasking. We often do many tasks at once, for example, talking on the phone while beating an egg while keeping watch on our child, all while tapping a foot to a song we heard on the radio earlier this morning.
In any task domain, users will have goals ranging from common to rare. Design your application to recognize this range.
Make common results easy to achieve
If a user’s goal is predictable and common, the user shouldn’t have to do much to achieve it. Unusual goals may require more effort to achieve. Stated more formally: The amount [...]
The increasing email marketing has integrated with the ecommerce properly. The ecommerce has gained so much strength to get advertising and promotion going on. Web based email marketing software allows the small website owners to easily create, manage, and analyze your email marketing campaigns.
Actually the email marketing is more intelligent than creating the email list. [...]
Express the error in terms of the task
A good error message describes the problem in terms related to the task the user was trying to do. If the user has just given the command to paste an image into a document and the software encounters an error, the message should be expressed in terms of [...]
Firecracker is device which can turn your computer into my house into automatic control. It remote controls the lights. Monitoring the dead corners is not that difficult any more. Active eye is a high technology motion sensor which monitor the all the area which the eye has been covered. This device is used to detect [...]
While the internet may have many business applications, most business owners will limit their use of the Internet to their company Web site.
Here are some recognizable companies whose online ventures have paid off:
Large retailers from Macy’s to Service Merchandise to Lands’ End, right down to the smallest Web-only specialty store, are publishing catalogues and making [...]
The high tech cameras have been designed with high clearance and enhanced pictures. The current market cameras can be small like a penny. Spy cameras not necessary to look like a camera; it can be any kind of practical office or home accessories.
Cameras made for security combines certain convenient digital functions. The advanced recording technology [...]
Just because you are setting up an online business you should not neglect other more established marketing tools. As well as branding all your marketing materials with your new e-business references, you should consider more traditional PR techniques to get your Web site noticed.
If banner advertising is the most effective type of advertising, why not consider reciprocal links where you approach another site owner and swap banner ads with a linking capability? You could share any revenue generated from either site so that the arrangement is not one- sided. The tools mentioned above should help you determine how [...]
A German Internet company recently analysed the business impact of Internet banner advertising, looking at the behaviour of 500 Internet users in the UK, Germany, France, Sweden and Spain. In most cases banner advertising was perceived to have good informational value and to be an easy way to get access to the advertiser’s Web site.
Thanks to the apple’s great invention, the thinnest laptop has been born. Was it too weak to support your hands? It did look like fragile as we saw it in thepicture. But anyone who has used it will know it is really a piece of work.
Everybody who loves laptop will be taken aback by apple’s [...]
Of the many strategies put forward to increase traffic to your Web site, Web sponsorship, or buying ad space on someone else’s Web site, is one of the easiest and most effective.
When you build a Web site, you construct an island. Forget the Information Superhighway analogy. The Web isn’t a stretch of road lined with sites that everyone notices. The Web is much more like a vast ocean of information—an ocean with very few navigational tools. The success of your site depends on your ability to [...]
