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Which two statements are true regarding SQL*Plus?
A. It has commands for performing database administration operations.
B. It can be used in interactive but not batch mode for SQL commands.
C. It has to be installed separately after the Oracle Database 12c installation.
D. Operating system commands can be executed from the SQL*Plus command prompt.
Correct Answer: AC
Explanation/Reference:
Explanation: C:how to start SQL*Plus:
2.Log on to the operating system (if required).
3.Enter the command, SQLPLUS, and press Return.
Etc.
Not B: In SQL*Plus command-line, the use of an external editor in combination with the @, @@ or START commands is an effective method of creating and executing generic scripts. You can write scripts which contain SQL*Plus, SQL and PL/SQL commands, which you can retrieve and edit. This is especially useful for storing complex commands or frequently used reports.
Reference:http://docs.oracle.com/cd/B14117_01/server.101/b12170/qstart.htm
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