下列说法错误的是( )。 ( 1 )算法原地工作的含义是不需要任何额外的辅助空间...

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下列说法错误的是( )。 ( 1 )算法原地工作的含义是不需要任何额外的辅助空间 ( 2 )在相同规模 n 下,复杂度 O(n) 的算法在时间上总是优于复杂度为 O(2 n ) 的算法 ( 3 )所谓时间复杂度是指最坏情况下,估算算法执行时间的一个上界 ( 4 )同一个算法,实现语言的级别越高,执行的效率就越低

(1)

(1)(2)

(1)(4)

(3)

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【单选题】You use a SQL Server 2005 database named DB1， which is located on a server named SQL1. DB1 is in use 24 hours a day， 7 days a week. A recent copy of DB1 exists on a second server named SQLtest that al...

Store the workload file on SQL1. Start DTA on SQLtest and connect to SQL1. Specify all workload and tuning options as necessary. In the Advanced Tuning Options dialog box， select the Generate only online recommendations check box.

Store the workload file on SQLtest. Start DTA on SQLtest and connect to SQLtest. Specify all workload and tuning options as necessary. In the Advanced Tuning Options dialog box,select the generate only online recommendations check box.

Store the workload file on SQL1. Start DTA on SQL1 and connect to SQL1. Specify all workload and tuning options as necessary. In the Advanced Tuning Options dialog box，select the All recommendations are offline check box.

Store the workload file on SQLtest. Start DTA on SQLtest and connect to SQLtest.Specify all workload and tuning options as necessary.In the Advanced Tuning Options dialog box,select the All recommendations are offline check box.

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GNP

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2个

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