UPDATE Employees SET manager_id = 108 WHERE dept_id = 1 AND emp_id NOT IN (108); UPDATE Employees SET manager_id = 109 WHERE emp_id IN (110,111,124,125,126,142,143); UPDATE Employees SET manager_id = ...
A seasoned software engineer with extensive experience in building complex distributed data-intensive backend services. The most general way to satisfy a COUNT DISTINCT or SELECT DISTINCT clause is to ...
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