Classes called child classes or subclasses inherit methods and variables
Answer:B. Are used to create, organize, and manage databases
Explanation: Database management system (DBMS) is a computer software which is used to collect, analyse or evaluate and retrieve data from a database. It is essential to the flow of businesses or other activities of an organisation.
Examples of database management system softwares MICROSOFT ACCESS,FOXPRO,ORACLE etc all this are effective as it helps to manipulate the data structure,field names,the file formats etc.
I would say A. Allowing us to improve efficiency in the workplace has helped grow our economy and we can thank technology for that. Due the it always improving our lives only get that much easier.