他们完成这一结果不依靠任何管理上的任务计划。
They achieved this result without management producing any task plans.
任务包括计划并管理数据库、调优性能与容量、创建和维护索引并优化查询、监测、以及管理备份与恢复。
Tasks include planning and administering the database, tuning for performance and capacity, creating and maintaining indexes and optimizing queries, monitoring, and managing backup and recovery.
理论认为项目是一项一次性的工作，有必要制定一个以指导、管理为导向的任务级别主计划。
The theory casting projects as one-off operational work seems to insist upon the necessity of a guiding, management-produced, task-level master plan.
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