以下哪一项等同于random.randrange（3）？（）
That is the existing product range. "product range" means product portfolio.
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SUMIF的语法是SUMIF（range，criteria，sum_range），其参数是（）A、rangeB、criteriaC、sumifD、sum_range
You need to create a partitioned table to store historical data and you issued the following command： CREATE TABLE purchase_interval PARTITION BY RANGE （time_id） INTERVAL （NUMTOYMINTERVAL（1，’month’）） STORE IN （tbs1，tbs2，tbs3） （ PARTITION p1 VALUES LESS THAN（TO_DATE（’1-1-2005’， ’dd-mm-yyyy’））， PARTITION p2 VALUES LESS THAN（TO_DATE（’1-1- 2007’， ’dd-mm-yyyy’））） AS SELECT * FROM purchases WHERE time_id < TO_DATE（’1-1-2007’，’dd-mm-yyyy’）； What is the outcome of the above command？（） A、 It returns an error because the range partitions P1 and P2 should be of the same range.B、 It creates two range partitions （P1， P2）. Within each range partition， it creates monthwise subpartitions.C、 It creates two range partitions of varying range. For data beyond ’1-1-2007，’ it creates partitions with a width of one month each.D、 It returns an error because the number of tablespaces （TBS1，TBS2，TBS3）specified does not match the number of range partitions （P1，P2） specified.
Which of the following network modifications should be implemented to extend the wirelessnetwork range and allow out-of-range users to share the Internet connection?（）A、Create a new VLAN for the out-of-range users.B、Add a wireless access point for the out-of-range users.C、Upgrade the out-of-range users’ SSID searching software.D、Enable network sharing on the users’ computers that are within range.
中间区段,时间常数区段 intermediate range time constant range
源区段计数管区段 source range counter range
已知x=[1，2，3，4，5]，那么执行语句x[：：2]=range（3）之后，x的值为（）。
