Which of the following is true of a vCard?
A) It must be scanned and saved in a contact management system before use.
B) It requires the use of optical character recognition software for accessing business card details.
C) It is used to exchange business card information electronically.
D) It relies on the XML family of standards to represent metadata.
Question 2
The select operation
A) combines relational tables to provide the user with more information than is otherwise available.
B) creates a subset consisting of columns in a table.
C) identifies the table from which the columns will be selected.
D) creates a subset consisting of all records in the file that meet stated criteria.
E) creates a subset consisting of rows in a table.