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Why need databases application in website?

With the advent of the term WWW (World Wide Web) vast amount of data has become available to the society. Websites also render themselves to bulk collection of information, that they need to arrange and rearrange in a way that it can be accessed in least possible time. When the whole related information is placed in an organised pattern it forms databases and the software that helps to structure and retrieve the data is called database management system (DBMS). Some well known DBMS’s are My SQL, SQ Lite, Microsoft Access, Oracle, Sybase, IBM and many more. This article will make the picture clear to you as why your websites need databases applications and what benefits they have over simple spread sheets.

  • Updating and storing data: DBMS enables the websites to update or modify the data accordingly. It allows websites to make add-on’s in the existing ones and also to modify the information within the records. Even when multiple users make updates in the database, DBMS’s ensure that these updates are correctly made. Without DBMS, there is the risk of losing important data and also of incorrect storage. DBMS’s features like batch processing, locking, two phase locking and time stamping are responsible for making such updates and also for the proper and orderly storage of the same. A modern DBMS helps the website not only to store the data but also provides storage for data entry screen definitions, data validation rules, structure to handle videos and picture formats and many more.
  • Recovering data: DBMS offers measures to recover the data after a major failure like at times of computer crash, power failure, natural disaster or invalidation of records etc. Current DBMS systems provide for special programs that allow the DBA to take routine and regular backup and restore procedures. Even if the backup is lost, DBMS makes use of special feature called Journaling that helps keeping log of all updates, in the file other than database and helps to re-update the database after recovering it from backup.
  • Integrity of data: DBMS enables the websites to store information in concise and integrated form thus eliminating the repetition of the data. This further helps to avoid incorrect or irregular data. This helps in maintaining primary key of a record unique. DBMS makes use of data type, legal values, format and key integrity to decrease data redundancy. Diminishing repetition helps reducing the cost of storing information on hard drives and on other storing devices.
  • Securing the data: As multiple users can access the data on a website, it can at times pose risk to the security and privacy of website. So DBMS develops a security system for user security and data privacy. There are set of rules determining who can approach data, which data can be accessed and what functions or operations the users are free to perform. Features like encryption, authentication & authorization are set in operation to provide security to database. So through the use of passwords, DBMS restricts the access of data only to those who are authorized to view the data and those who are not allowed to view it, data does not exist for them.
  • Multiuser Availability: One of the major reasons that make DBMS essential for every website is that it can make same information available to several users. To make the same data available to several users at the same time the DBMS makes use of appropriate algorithms and this in turn offers integrity and data consistency. Any authorized user can access data through query language provided by DBMS.
  • Accurate and Consistent Data: DBMS eliminates errors related to updating of data in a website. DBMS stores data and Meta data in a data dictionary, because of this feature updates and changes can be made in one place instead making same changes at different places. Through this feature, any change made in database is automatically registered in the data dictionary, thus saving the users from altering all the programs. This in turn standardize the file formatting and system programming. This consistency of files and programs makes the maintenance and management of data files in a website easier.
  • Wide Communication Network: DBMS undertakes requests of user through multiple and variety of networking environments. eg. Users can access the data through web browsers like Microsoft Internet Explorer, Google Chrome, Mozilla Firefox, Safari and many more. Communication can be made possible through various interfaces like; by filling up the screen forms, DBMS automatically publishes reports on website or gets connected to third-party systems to circulate information through e-mails or other applications.

So we can say that database applications are very much crucial to a website as they ensure the integrity and consistency of the data in a website. While implementing a DBMS to your site, fore mostly decide the kind of DBMS you want and that suits your site the best.