Decision support systems (DSS) is

A. A family of relational database management systems marketed by IBM
B. Interactive systems that enable decision makers to use databases and models on a computer in order to solve ill-structured problems
C. It consists of nodes and branches starting from a single root node. Each node represents a test, or decision
D. None of these

Option: B

Decision support systems (DSS) is

A. A family of relational database management systems marketed by IBM
B. Interactive systems that enable decision makers to use databases and models on a computer in order to solve ill-structured problems
C. It consists of nodes and branches starting from a single root node. Each node represents a test, or decision
D. None of these

Option: B

Data cleaning is

A. Large collection of data mostly stored in a computer system
B. The removal of noise errors and incorrect input from a database
C. The systematic description of the syntactic structure of a specific database. It describes the structure of the attributes the tables and foreign key relationships.
D. None of these

Option: B

Data dictionary is

A. Large collection of data mostly stored in a computer system
B. The removal of noise errors and incorrect input from a database
C. The systematic description of the syntactic structure of a specific database. It describes the structure of the attributes the tables and foreign key relations hips.
D. None of these

Option: C