Choose two.
Which two statements are true about the DUAL table?
A) It can display multiple rows and columns.
B) It can be accessed only by the SYS user.
C) It can be accessed by any user who has the SELECT privilege in any schema
D) It can display multiple rows but only a single column.
E) It consists of a single row and single column of VARCHAR2 data type.
F) It can be used to display only constants or pseudo columns.
Answer：AC
(Parsing: dual virtual table can display multiple rows and columns; any user can access it the difficulty of solving the problem is to Answer: C understanding: Users with select privileges in any mode can access it.
Select the permissions for each user is not required to separate, as long as their own thing, they will naturally select permissions. )