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搜题
【单选题】
既能抑制产生又能增加排出的药物是（）A.
肾上腺素
B.
毒扁豆碱
C.
心得安
D.
噻吗心安
E.
拉坦前列腺素
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
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【单选题】On Monday， you dropped the DEPT table from your schema and then you re-created the DEPT table in your schema. On Wednesday， you have a requirement to restore the DEPT table from the recycle bin. Whic...
A.
You can restore the DEPT table by using the Oracle Flashback Drop feature， provided you use the RENAME TO clause.
B.
You can restore the DEPT table by using the Oracle Flashback Drop feature and a system-generated name will be assigned to the restored table.
C.
You cannot restore the DEPT table by using the Oracle Flashback Drop feature because a table with the name DEPT already exists in your schema.
D.
You cannot restore the DEPT table by using the Oracle Flashback Drop feature because the contents of the recycle bin are purged every 12 hours by default.
【单选题】Evaluate the following SQL statements in the given order: DROP TABLE dept? CREATE TABLE dept (deptno NUMBER(3) PRIMARY KEY, deptname VARCHAR2(10))? DROP TABLE dept? FLASHBACK TABLE dept TO BEFORE DROP...
A.
It recovers only the first DEPT table.
B.
It recovers only the second DEPT table.
C.
It does not recover any of the tables because FLASHBACK is not possible in this case.
D.
It recovers both the tables but the names would be changed to the ones assigned in the RECYCLEBIN.
【单选题】下面哪一个SQL语句将删除DEPT表中的所有数据，并永久删除DEPT表的整个结构（）
A.
DROP TABLE dept;
B.
DELETE TABLE dept;
C.
TRUNCATE TABLE dept;
D.
DELETE * . * FROM dept; [END CODE]"
【多选题】STK手机银行的特点有哪些?
A.
STK卡具有很高的存储量，能够运行应用软件
B.
STK手机银行可以办理多种业务手如金融理财、股票查询与交易、外汇买卖等
C.
每张STK卡只能使用一家银行的手机银行服务，难以实现跨行转账
D.
STK高成本和手续繁琐导致难以普及
【简答题】STK
【单选题】组态王 WEB 功能采用( )结构,客户可以随时随地通过 Internet/Intranet 实现远程监控。
A.
B/S
B.
C/S
C.
TCP/IP
D.
PCZ
【简答题】A．(dept_name，dept_phone，dept_mgrname) B．(emp_phone，dept_name) C．(emp_id，emp_phone，dept_name，dept_phone，dept_mgrname) D．(dept_phone，dept_mgrname)
【简答题】_______ A．Dept=DS B．Dept=DS WITH CHECK OPTl0N C．Dept='DS' D．Dept='DS' WITH CHECK OPTIoN A． B． C． D．
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