Examine the structure proposed for the TRANSACTIONS table: Which two statements are
true regarding the storage of data in the above table structure? (Choose two.)
A.
The TRANS_DATE column would allow storage of dates only in the dd-mon-yyyy format.
B.
The CUST_CREDIT_VALUE column would allow storage of positive and negative
integers.
C.
The TRANS_VALIDITY column would allow storage of a time interval in days, hours,
minutes, and seconds.
D.
The CUST_STATUS column would allow storage of data up to the maximum
VARCHAR2 size of 4,000 characters.
B, C
Why? Check:
http://docs.oracle.com/cd/B28359_01/server.111/b28318/datatype.htm#i22289
https://docs.oracle.com/cd/B28359_01/server.111/b28318/datatype.htm#i1835
Note that for VARCHAR2 its 4000 bytes not characters