Which of the following is TRUE for the System Variable $date$?
A. Can be assigned to a global variable.
B. Can be assigned to any field only during design time.
C. Can be assigned to any variable or field during run time.
D. Can be assigned to a local variable.
Answer:A
Which of the following is TRUE for the System Variable $date$?
A. Can be assigned to a global variable. B. Can be assigned to any field only during design time. C. Can be assigned to any variable or field during run time. D. Can be assigned to a local variable.
Explanation: A database schema of a database system is its structure described in a formal language supported by the database management system and refers to the organization of data as a blueprint of how a database is constructed.