Q. Which system variable determines the number of rows from INSERT DELAYED statements that can be queued per table?
✅ Correct Answer: (D)
delayed_queue_size
Explanation: This question is about MySQL and specifically how it handles delayed inserts. Delayed inserts are used when you want to add new rows to a table, but you don't want to slow down the current operation. Instead, the inserts are queued and executed later.