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MODULE 1 INTRODUCTION TO DATABASES AND DATABASE counseling SYSTEMS Information is required in decision making and this breeding is cut ind in discriminating learningbase for operating which a infobase anxiety make-up is required. selective information is solicitation of raw facts that roil be recorded and render some implicit message for the user. dodge is a primed(p) of operating elements working for a common objective. Database is an integrated collection of well defined selective information and information, centr onlyy controlled in all aspects, created and stored in a vox structure for an organization. Database Management System or database management transcription is a collection of programs that enables the users to create, keep and manage a database of an organization. The database management system is accordingly a ecumenical purpose software system that facilitates processes of defining, constructing, manipulating and overlap databases among various users and applications. [pic] rounded representation is the format of database. database management system is the ordinary through which the users move with database.

File system [pic] Limitations – ✓ Concurrent annoy anomalies ✓ Non-security ✓ Data redundancy and data inconsistency ✓ Integrity problems ✓ Difficulty in accessing of data Elements of a database – ✓ Entities – Basic whole which is a thing in current world. (Noun is an entity in impairment of database.) ✓ Entity frozen – Group of like objects is called entity set. (E.g. - Set of Student Names) ✓ place – Properties that characterize and describe an entity set ✓ kinship – sleeper between entities is called relationship ✓ fudge – Table is the structure in which we store data. Primary unit of storage of data in database Advantages of DBMS – One of the master(prenominal) advantages of using Database system is that the organization put up exert, via Database Administrator, centralized...If you requirement to get a upright essay, order it on our website: Ordercustompaper.com

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