If the anticipated cost is high, they tune the statement and the physical design of the database to reduce its anticipated cost, often by adding an index.
如果预期成本很高,他们会调整语句和数据库的物理设计(常常会添加索引),从而降低预期成本。
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In a statement, BP said the sum includes "the costof the spill response, containment, relief well drilling, grants to the Gulf states, claims paid and federal costs" that have emerged since April 20.
Last month, Standard chartered-based in Britain but with a large footprint in asia-issued a trading statement that warned ofcost pressures related to "increasing competition for staff".