Oracle
1Z0-071 · Question #445
1Z0-071 Question #445: Real Exam Question with Answer & Explanation
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Question
Examine the description of the EMPLOYEES table: Which statement will execute successfully, returning distinct employees with non-null first names?
Exhibit
Options
- ASELECT first_name, DISTINCT last_name FROM employees WHERE first_name <> NULL;
- BSELECT first_name, DISTINCT last_name FROM employees WHERE first_name IS NOT NULL;
- CSELECT DISTINCT * FROM employees WHERE first_name IS NOT NULL;
- DSELECT DISTINCT * FROM employees WHERE first_name <> NULL;
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