Data Structure Data structure is a technique to store and organize data in a computer.So, that the data can be used efficiently.Data structures are of different types.It varies from application to application.
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Advantages of database management system *redundancy can be reduced *inconsistency can be avoided *better services to the users *flexibility of the system is improved *standard can be enforced *security can be improved *integrity can be maintained *facilitates sharing of data *conflicting requirements can be balanced
Components/Elements of Data *Data-raw facts and figures *Relationships-represents a correspondence between the various data elements *Constraints-predicates that define correct database states *Schema-describes the organization of data and relationships within the database
Components of Database management system *hardware-refers to the actual computer system used for keeping and accessing the database *software-refers to the actual database management system *data-most important component of dbms from user point of view *users-each type of user need different software capabilities *procedures-refers to the instructions and rule that govern the design and use … Continue reading Components of Database management system
Database management system Dbms is a rule or a procedure to manage a database.Database is a collection of 2 or more than two interrelated tables.Table is a collection of related record.Record is a collection of related data.Data means raw facts and figures. *create *delete *insert *update *access