某企业职工和部门的关系模式如下所示,其中部门负责人也是一个职工。 职工(职工号,姓名,年龄,月工资,部门号,电话,办公室)部门(部门号,部门名,负责人代码,任职时间)查询每个部门中月工资最高的“职工号”的SQL查询语句如下: Select 职工号 from 职工 as E where 月工资=二(Select Max(月工资) from 职工 as M(58))。
To accommodate the longest path allowed by 802.3, the slot time has been set to 512 bit times, or(75).
Every host and muter on the Internet has an IP address,which encodes its(69).
When you choose a command name that is followed by "…" on menu, a(72)box appears in which you provide more information.
The Pentium includes hardware for both segmentation and paging. Both mechanisms can be disabled, allowing the user to choose from four distinct views of memory. Now the most frequently used view(such as UNIX System V)is(67).
The typical firewall consists of two packet filters and a(an)(68).
In a computer, which of the following is the longest period?(66).
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