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

In bring ination on entropybases - Essay ExampleThis look into 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 brand name the entry of data into tables easier. Queries are used to make searches on tables based on specific criteria and the output stern 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 schoolroom 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. makeup and database forms differ in the followi ng ways. Database forms are electronic and thus can handle more data 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 write and storage.