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Computer Object Oriented Database Difficulty: Medium

Which of the following file menu option saves document to disk? In HBase, what is the role of the HBase Compaction Thread? The organization and interconnection of the various components of a computer system is What is the significance of the statement "GROUP BY d.name" in the following MySQL statement? SELECT d.name, COUNT (emp_id) emp_no FROM department d INNER JOIN Employee e ON d.dept_id=e.emp_id GROUP BY d.name If we implement heap as min-heap, deleting root node (value 1)from the heap. What would be the value of root node after second iteration if leaf node (value 100) is chosen to replace the root at start.