机器设备实体性贬值率的计算方式有()。 贬值率=已使用年限/耐用年限。 贬值率=已使用年限/(已使用年限+尚可使用年限)。 贬值率=已使用年限/会计折旧年限。 贬值率=已使用年限/(会计折旧年限+尚可使用年限)。
“时教必有正业,退息必有居学”是我国教育专著()中提出来的。 《论语》。 《四书》。 《礼记》。 《学记》。
Which IBM software technology is a key component of SONAS?() PowerHA 。 Tivoli Storage Manager (TSM)。 Tivoli Productivity Center (TPC) 。 General Parallel File System (GPFS)。
You are a database administrator for your company. The company uses a SQL Server 2005 database that includes a table named Inventory. The table contains a column named Price. A company policy states that the value in the Price column cannot be decreased by more than 10 percent in any single database operation. Updates to the Price column are made by various means, including by using ad hoc queries. You need to ensure that this company policy is enforced. What should you do?() Create a trigger that rolls back changes to the Price column that violate company policy.。 Create a stored procedure that disallows changes to the Price column that violate company policy.。 On the Price column, create a check constraint that requires a specified minimum value.。 On the Price column, create a foreign key constraint to a table that contains valid prices.。
项目寿命的第一个阶段是()。 计划阶段。 实施阶段。 概念阶段。 预算阶段。
小企业在选择团队成员时,应考虑的问题有:()