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【单选题】

Examine the structure of the EMPLOYEES and DEPARTMENTS tables:<br /> EMPLOYEES<br /> EMPLOYEE_ID NUMBER<br /> DEPARTMENT_ID NUMBER<br /> MANAGER_ID NUMBER<br /> LAST_NAME VARCHAR2(25)<br /> DEPARTMENTS<br /> DEPARTMENT_ID NUMBER<br /> MANAGER_ID NUMBER<br /> DEPARTMENT_NAME VARCHAR2(35)<br /> LOCATION_ID NUMBER<br /> You want to create a report displaying employee last names, department names, and locations. Which query should you use to create an equi-join?()

A、SELECT last_name, department_name, location_id FROM employees , department ;

B、SELECT employees.last_name, departments.department_name, departments.location_id FROM employees e, departments D WHERE e.department_id = d.department_id;

C、SELECT e.last_name, d.department_name, d.location_id FROM employees e, departments D WHERE manager_id = manager_id;

D、SELECT e.last_name, d.department_name, d.location_id FROM employees e, departments D WHERE e.department_id = d.department_id;

更多“ Examine the structure of the EMPLOYEES and DEPARTMENTS tables:<br /> EMPLOYEES<br /> EMPLOYEE_ID NUMBER<br /> DEPARTMENT_ID NUMBER<br /> MANAGER_ID NUMBER<br /> LAST_NAME VARCHAR2(25)<br /> DEPARTMENTS<br /> DEPARTMENT_ID NUMBER<br /> MANAGER_ID NUMBER<br /> DEPARTMENT_NAME VARCHAR2(35)<br /> LOCATION_ID NUMBER<br /> You want to create a report displaying employee last names, department names, and locations. Which query should you use to create an equi-join?()”相关的问题
第1题

A、From Scheduled Tasks, examine the log.  B、From Event Viewer, examine the system log.  C、From Windows Backup, enable detailed logging and then perform a manual backup.  D、From Windows Explorer, examine the files in the %systemroot%\system32\LogFiles folder.  

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第2题

A、Examine the System Event Log on the user’s computer.  B、Examine the System Event Log on both domain controllers.  C、Examine the Security Event Log on both domain controllers.  D、Examine the Application Event Log on the user’s computer.  

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第3题

A、Examine the System Event Log on the user’s computer.  B、Examine the System Event Log on both domain controllers.  C、Examine the Security Event Log on both domain controllers.  D、Examine the Application Event Log on the user’s computer.  

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第5题

A、A.Customs  B、B.The ministry of commerce  C、C.The state council  D、D.the commodity inspection institution  

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第6题

A、A.Customs  B、B.The ministry of commerce  C、C.The state council  D、D.the commodity inspection institution  

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第7题

A、A.examine  B、B.to examine  C、C.being examined  D、D.examining  

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第9题

A、Open Network Connections, and then examine the properties of each connection that is listed.  B、Open the Component Services snap-in, expand Computers, expand My Computer, and then examine the list.  C、Run the netsh interface command, and then examine the list.  D、Open Device Manager, expand Network adapters, and then examine the list  

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第10题

A、Flashback logging is not enabled for the database.  B、The changes made to the table are not committed.  C、Supplemental logging is not enabled for the database.  D、The database is not configured in ARCHIVELOG mode.  

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