Oracle
1Z0-071 · Question #202
1Z0-071 Question #202: Real Exam Question with Answer & Explanation
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Question
Examine the structure of the BOOKS_TRANSACTIONS table. You want to update this table such that BOOK_ID is set to 'INVALID' for all rows where no MEMBER_ID has been entered. Examine this partial SQL statement: Which condition must be used in the WHERE clause to perform the required update?
Exhibits
Options
- AMEMBER_ID = '';
- BMEMBER_ID = NULL;
- CMEMBER_ID IS NULL;
- DMEMBER_ID = "";
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