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To allocate another role to a user, which command is most appropriate?（）
- A、ALTER USER
- B、ALTER DATABASE
- C、ALTER SYSTEM
- D、GRANT
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更多 “To allocate another role to a user, which command is most appropriate?（）A、ALTER USER B、ALTER DATABASE C、ALTER SYSTEM D、GRANT” 相关考题
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有以下程序: include include usingnamespacestd; intmain() {intarrays
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涉及到的表结构如下：
Teacher（TNO，Tname，Tsex，Tnation，Tjobtitle，TID），各字段的含义依次是教师编号，姓名，性别，民族，职称，身份证号；
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单选题Companycom is planning for a 64-way p5 595. The plan is to use Virtual IO Servers and micropartitioning. What is the maximum number of partitions they can allocate?（）A
128B
254C
320D
640
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Rootvg is running in enhanced concurrent modeD
A snapshot volume group cannot be created for the rootvg
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单选题Why would a rogue host that is running a DHCP server on a campus LAN network present a security risk？（）A
It may allocate IP addresses from an unknown subnet to the users.B
All multicast traffic can be sniffed by using the DHCP multicast capabilities.C
The CPU utilization of the first hop router can be overloaded by exploiting DHCP relay open ports.D
A potential man-in-the-middle attack can be used against the clients.
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单选题View the Exhibit and examine the output. You execute the following RMAN command to perform the backup operation： RMAN RUN { ALLOCATE CHANNEL c1 DEVICE TYPE disk MAXOPENFILES 8； BACKUP DATABASE FILESPERSET 4； } What is the multiplexing level in the preceding backup process？（）A
4B
8C
7D
0
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单选题Which of the following servers would dynamically allocate IP addresses to workstations？（）A
NTPB
DHCPC
DNSD
SNMP
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考题
单选题To allocate another role to a user, which command is most appropriate?（）A
ALTER USER B
ALTER DATABASE C
ALTER SYSTEM D
GRANT
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