Database management systems a. are used to create, organize, and manage databases b. include transaction-processing reports for database analysis c. improve routing and delivery schedules of databases d. are written for specific database application

Database management systems are used to create,organize and manage databases.
Database management system is a software that permits an organization to centralize data,manage them efficiently and provide access to the stored data by application programs,it  reduces data redundancy and inconsistency by minimizing isolated files in which data is repeated.