Database Management

A Course Presented to The Academic Department Of the School of commercial enterprise and economic science In Partial Fulfillment of the Requirements For the score of Master in Information Systems Introduction A ingathering of architectural plans that enables you to store, modify, and extract entropy from a database. on that distributor point argon many distinguishable types of database management systems, ranging from small systems that shape on personal computers to huge systems that run on mainframes. The by-line argon examples of database applications: . Computerized library systems . Automated teller machines . Flight reticence systems . computerized part inventory systems From a technical standpoint, DBMSs scum bag differ widely. The damage relational, network, flat, and hierarchical all refer to the way a DBMS organizes cultivation internally. The internal organization can chance upon how chop-chop and flexibly you can extract information. Requests f or information from a database are made in the form of a interview, which is a interpret question. For example, the dubiousness SELECT ALL WHERE NAME = smith AND AGE 35 requests all records in which the NAME field of operation is SMITH and the AGE field is greater than 35. The set of rules for constructing queries is know as a query language. incompatible DBMSs support different query languages, although there is a semi-standardized query language called SQL (structured query language).

Sophisticated languages for managing database systems are called fourth-generation languages, or 4GLs for short. The informatio n from a database can be presented in a wor! d form of formats. virtually DBMSs include a report writer program that enables you to train data in the form of a report. many another(prenominal) DBMSs excessively include a graphics component that enables you to output information in the form of graphs and charts. Whats wrong with a file footlocker system (and also whats right) The file system that comes with your computer is a very primitive kind... If you want to get a near essay, order it on our website: BestEssayCheap.com

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