【2020年8月】Oracle OCP 071考试新题(-10题)CUUG内部题库
Choose two.
Examine the description of the PRODUCTS table which contains data:
Name Null? Type
----------------------------------------------------------------------------
PROD_ID NOT NULL NUMBER (2)
PROD_NAME VARCHAR2 (20)
EXPIRY_DATE NOT NULL DATE
Which two are true?
A) The PROD_NAME column cannot have a DEFAULT clause added to it.
B) The EXPIRY_DATE column data type can be changed to TIMESTAMP.
C) The PROD_ID column can be renamed.
D) The PROD_ID column data type can be changed to VARCHAR2 (2).
E) The EXPIRY_DATE column cannot be dropped.
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