| A fantastic pace has been noticed in the web sector. | | | | selecting the parent can be able to see the next level |
| As a result, various definite standards and techniques | | | | of navigation. |
| are emerging. Every time there is an improvement, the | | | | Database Operations |
| web site design and applications grow complex, and | | | | Accessing database is a fundamental problem for |
| there is a subsequent impact in the common web | | | | web developers. It is a common problem for the While |
| programming too. Several web programmers (Like: | | | | entering the data into the database and editing entries |
| face this problem while making a website. | | | | through specific functions or an abstracted database |
| Web programming requires expertise on many | | | | wrapper, most of the times the data is found to be |
| different levels. Skills in user interface design, human | | | | erroneous; this makes it a good candidate for pattern. |
| machine interaction, information design, scripting, code | | | | Nearly all the programmers including php programmer ( |
| library development, database design and database | | | | java programmer, sql programmer and asp .net |
| queries are some of the important facets that are | | | | programmer make this phase as an essential part for |
| supposed to be had in a smart database programmer. | | | | a smooth running of any database design. They make |
| In many or all of these levels a web programmer can | | | | a user interface design to clear the process. |
| face problems, and any web pattern needs to have | | | | At a higher-level many objects or items, the data used |
| explained the design considerations across any or all | | | | is captured by a row in the database. Here exists a |
| of these levels. | | | | common problem for the web programmers creating |
| As such we need to be able to find a programmer | | | | a set of useful functions and information based on |
| who is aware of the problems area and can | | | | these items. |
| implement the required solutions. The programmer jobs | | | | Authentication Problems |
| include the solution of the problems originated in the | | | | The authentication phase needs to be revised properly |
| day to day web programming. But first we must know | | | | with the different levels of a cheap programming. |
| the places where the problems usually occur. | | | | Several familiar mistakes have been there in these |
| The Problems Area | | | | levels, and we are to solve them without any delay. |
| Form processing: | | | | - The web programmers do nothing as to record or |
| Form processing is the first step to record the problem | | | | track any request to authentication in the None Level. |
| of getting and verifying input from a user. It is the main | | | | - In the Session Level the web programmers used to |
| part of all web applications, though there are many | | | | track this anonymous person by the current visit only. |
| different approaches for solving this problem available | | | | - Another problem is there while tracking the |
| to the web developer. | | | | anonymous person across numerous sessions in the |
| The basic method remains the same other than the | | | | web site in the Visitor Mode. |
| actual content being entered. All forms should: | | | | - We must authenticate the person when we finally |
| - Show an empty form to the user | | | | have the User with the relevant information. |
| - Confirm the data entered to be valid and depict an | | | | These levels should be thoroughly checked up and |
| error if it is incorrect | | | | similar other implementations should be necessitated if |
| - Perform the required action by the use of the data | | | | need be. The above levels should be considered |
| Using either a single or multiple page design forms can | | | | together while in case of authentication. |
| be implemented. A self-referring script is needed for | | | | Error Handling |
| the single page technique, while the user can enter, | | | | It is a great challenge to build graceful degradation into |
| confirm and submit the data through multi-page forms. | | | | a website. It is a vital job to hire programmers who |
| Navigational Structure: | | | | can catch the errors before they confuse the users. |
| A consistent look and feel is established by a clean, | | | | By logging and notifying the errors a professional |
| structured navigation and information design. Users can | | | | coder can prevent these errors to happen again. |
| easily find their location in the sites through a proper | | | | Keeping the site alive even if components are off-line, |
| navigation system. | | | | the database programmers can handle any error |
| There are at most three kinds of navigational | | | | problem by serving the database requests in the |
| structures: | | | | backed-up database that is read-only also. |
| - Single level navigation carries a list of top level areas. | | | | E-commerce Problem |
| - The user can then drill down through the different | | | | Using form and authentication any problem in the |
| hierarchical parts that the multi-level navigation has | | | | E-commerce can be easily solved if it is detected |
| created, and they can find their desired content. | | | | earlier. Only, a particular pattern independent on a |
| Generally the hierarchy is two level deep to keep the | | | | particular implementation of forms or authentication is |
| display simple. | | | | to be built. But first an interaction is to be done with the |
| - Third navigational structure is the dynamic multi-level | | | | user and backend processing of the data. |
| navigation that uses a hierarchy. Here the user after | | | | |