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