70. An E-Commerce system consists of the following components. Which of the same components must
be included in a database management system?
I. The data, such as information about the goods available for sale, customers, orders placed, shipping
information, etc.\
II.A collection of programs must be included that control the data, such as programs to create, maintain,
and manipulate the data. These programs can be easily used to create, maintain, and manipulate data in
other domains, such as in a library information system
III.A collection of programs that operate on the data, but are specific to the E-commerce system. These
programs enable users to browse through the store-items, place orders, track shipping, etc.{
71. An E-Commerce system consists of the following components. Which of these same components
will constitute a database system?
\n I. The data, such as information about the goods available for sale, customers, orders placed, shipping
information, etc.
\n II.A collection of programs that control the data, such as programs to create, maintain, and manipulate
the data constitutes a database system. These programs can be easily used to create, maintain, and
manipulate data in other domains such as in a library information system.
\n III.A collection of programs that operate on the data, but are specific to the E-commerce system,
constitutes a database system. These programs enable users to browse through the store-items, place
orders, track shipping, etc.{
}
72. The foreign key in a table T1_____ the same _____ as the corresponding primary key in table T2.
I. must have, name
II. need to have, name
III. must have, id number{
}
73. A software system that enables users to define the data, maintain it and control its access is called?
Database management system
74. Which of them is not component of the database system? {
~ An application specific database
~ A DBMS that maintains this database
~ Application Software that manipulates the database
~ Application programmers
}