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Assume a table, task, with the following columns: § task_id (int, Not NULL) § task_description (text, Not NULL) § parent_task_id (int, NULL) Write a stored procedure and program (in any language of your choosing) to produce a text based hierarchical tree of the tasks rooted at a given task, using tabs to show the hierarchy. For example, if these rows exist in the task table: task_idtask_descriptionparent_task_id 1Eat LunchNULL 2Choose restaurant1 3Order food1 4Call restaurant3 5Have staff meetingNULL 6Send agenda5 And your program in invoked as follows: tasktree –t 1 It will produce this output: Eat Lunch Choose restaurant Order food Call restaurant
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Database Administrator

Interviewed at Two Sigma

3.9★
Feb 16, 2011

Assume a table, task, with the following columns: § task_id (int, Not NULL) § task_description (text, Not NULL) § parent_task_id (int, NULL) Write a stored procedure and program (in any language of your choosing) to produce a text based hierarchical tree of the tasks rooted at a given task, using tabs to show the hierarchy. For example, if these rows exist in the task table: task_idtask_descriptionparent_task_id 1Eat LunchNULL 2Choose restaurant1 3Order food1 4Call restaurant3 5Have staff meetingNULL 6Send agenda5 And your program in invoked as follows: tasktree –t 1 It will produce this output: Eat Lunch Choose restaurant Order food Call restaurant

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