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200-530 · Question #3620
200-530 Question #3620: Real Exam Question with Answer & Explanation
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Question
After executing a query on a database server, PHP offers several functions to read the resulting lines, such as mysqli_fetch_assoc, pg_fetch_row, oci_fetch,etc.). If such functions do not return any rows, it means: (Choose 2)
Options
- Aa SELECT statement returned no rows
- Bthe transaction has been rolled back
- Cthe connection to the database server was disconnected during query execution
- Dthe query was too slow to execute
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