Information on databases Essay Example | Topics and Well Written Essays - 250 words

Information on databases - Essay Example This research will begin with the statement that databases are found anywhere structured data needs to be stored and referenced for future use. This includes places like schools, hospitals, businesses, libraries, banks and even at the home. Tables are the basic entities that store structured data in the form of rows and columns. Forms are designed to make the entry of data into tables easier. Queries are used to make searches on tables based on specific criteria and the output can be given in the form of a report that clearly shows the results of the query. The researcher states that he uses a timetable to store data about my classroom activities and he uses a paper based table to store records of things he needs to do during the week. This includes such items as shopping for groceries, studying and places to visit. It has two columns of time and activity and several rows. Paper and database forms differ in the following ways. Database forms are electronic and thus can handle more da ta than paper can by several orders of magnitude. Paper forms are limited in their functionality, unlike database forms which allow functionality search as carrying out quick searches, sorting, delete and undelete and etc. Database forms can allow an audit trail to indicate who accessed what and when. Paper forms cannot allow this to happen. Database forms are more persistent and more difficult to destroy, unlike paper forms because of easing of copying and storage.