Choose two
Exanine the desatption of the BOOKS_TRANSACTIONS table
Name Null? Type
----------------------------------------------------------------------------------------------
TRANSACTION_ID NOT NULL VARCHAR2(6)
TRANSACTION_TYPE VARCHAR2(3)
BORROWED_DATE DATE
BOOK_ID ARCHAR2(6)
MEMBER_ID VARCHAR2(6)
Examine this partial SQL statement:
SELECT * FROM books_transctions;
Which two WHERE condtions give the same resut?
A) WHERE borrowed_date = SYSDATE AND (transaction_type= \'RM\' OR member_id IN
(\'A101\',\'A102\' ) );
B) WHERE borrowed_date = SYSDATE AND transaction_type= \'RM\' OR member_id IN
(\'A101\',\'A102\' ) ;
C) WHERE borrowed_date = SYSDATE AND (transaction_type= \'RM\' AND member_id=\'A101\' OR
member_id = \'A102\') );
D) WHERE (borrowed_date = SYSDATE AND transaction_type= \'RM\' ) OR member_id IN
(\'A101\',\'A102\' );
E) WHERE borrowed_date = SYSDATE AND (transaction_type= \'RM\' AND ( member_id= \'A101\' OR
member_id = \'A102\' ) );
Answer：：BD
(解析：考的是 and 和 or 的优先级。)