In an information system based on the database approach to data management, the database management system $\_\_\_\_\_.$

Question $90$ options:

a$)$

defines the tables, the attributes in each table, and the relationships between attributes and tables

b$)$

shares a pool of related data with several other application programs

c$)$

provides a single point of management and control over data resources

d$)$

defines and describes data and relationships in a specific database