_When using SQL*Plus, Oracle commands, column names, table names and all other database elements:$?

_When using SQL*Plus, Oracle commands, column names, table names and a

1.	_When using SQL*Plus, Oracle commands, column names, table names and all other database elements:$?
A.	are case insensitive.
B.	are case sensitive.
C.	must always be in lower case.
D.	must always be in upper case.
Answer» B. are case sensitive.