Examine the query and its output executed In an RDBMS Instance:Which three statements are true about the users (other than sys) in the output?（）

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• Examine the following query output: You issue the following command to import tables into the hr schema: $ > impdp hr/hr directory = dumpdir dumpfile = hr_new.dmp schemas=hr TRANSFORM=DISABLE_ARCHIVE_LOGGING: Y Which statement is true?（）

  A . All database operations performed by the impdp command are logged. B . Only CREATE INDEX and CREATE TABLE statements generated by the import are logged. C . Only CREATE TABLE and ALTER TABLE statements generated by the import are logged. D . None of the operations against the master table used by Oracle Data Pump to coordinate its activities are logged.

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• View the Exhibit and examine the output of the query. https://assets.asklib.com/images/image2/2018080116223452518.jpg What do you infer from this（）

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• Which of the following roles provides the privileges to maintain and query the recovery catalog schema？（）

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• Click the Exhibit button to examine the structures of the EMPLOYEES, DEPARTMENTS, and TAX tables. For which situation would you use a nonequijoin query?（） https://assets.asklib.com/images/image2/2018080114250059182.jpg

  A . to find the tax percentage for each of the employees B . to list the name, job_id, and manager name for all the employees C . to find the name, salary, and the department name of employees who are not working with Smith D . to find the number of employees working for the Administrative department and earning less than 4000 E . to display name, salary, manager ID, and department name of all the employees, even if the employees do not have a department ID assigned

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• Examine the structure of the EMPLOYEES, DEPARTMENTS, and TAX tables. https://assets.asklib.com/images/image2/2018080116500849327.jpg For which situation would you use a nonequijoin query?（）

  A . To find the tax percentage for each of the employees. B . To list the name, job id, and manager name for all the employees. C . To find the name, salary, and department name of employees who are not working with Smith. D . To find the number of employees working for the Administrative department and earning less then 4000. E . To display name, salary, manager ID, and department name of all the employees, even if the employees do not have a department ID assigned.

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• Your database interface is running. A user SCOTT starts a SQL *Plus session, and issues the following query: SQL> SELECT * FROM sales; Which process would retrieve the result from the database and return it to the client program?（）

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• Click the Exhibit button and examine the data in the EMPLOYEES table.Examine the subquery:SELECT last_nameFROM employeesWHERE salary IN (SELECT MAX(salary)FROM employeesGROUP BY department_id);Which statement is true？（）

  <img src='https://img2.soutiyun.com/ask/uploadfile/2019-03-27/e0e7e26248da659a6662e982bf95acc3.jpg' /> A.The SELECT statement is syntactically accurate. B.The SELECT statement does not work because there is no HAVING clause. C.The SELECT statement does not work because the column specified in the GROUP BY clause is not in the SELECT list. D.The SELECT statement does not work because the GROUP BY clause should be in the main query and not in the subquery.

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• Examine the following query output:You issue the following command to import tables into the hr schema:$ ＞ impdp hr/hr directory = dumpdir dumpfile = hr_new.dmp schemas=hrTRANSFORM=DISABLE_ARCHIVE_LOGGING: YWhich statement is true？（）

  A. All database operations performed by the impdp command are logged. B. Only CREATE INDEX and CREATE TABLE statements generated by the import are logged. C. Only CREATE TABLE and ALTER TABLE statements generated by the import are logged. D. None of the operations against the master table used by Oracle Data Pump to coordinate its activities are logged.

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• Examine the structure of the EMPLOYEES and DEPARTMENTS tables:EMPLOYEESEMPLOYEE_ID NUMBERDEPARTMENT_ID NUMBERMANAGER_ID NUMBERLAST_NAME VARCHAR2(25)DEPARTMENTSDEPARTMENT_ID NUMBERMANAGER_ID NUMBERDEPARTMENT_NAME VARCHAR2(35)LOCATION_ID NUMBERYou want to create a report displaying employee last names, department names, and locations. Which query should you use？（）

  A.SELECT e.last_name, d. department_name, d.location_id FROM employees e NATURAL JOIN departments D USING department_id ; B.SELECT last_name, department_name, location_id FROM employees NATURAL JOIN departments WHERE e.department_id =d.department_id; C.SELECT e.last_name, d.department_name, d.location_id FROM employees e NATURAL JOIN departments d; D.SELECT e.last_name, d.department_name, d.location_id FROM employees e JOIN departments d USING (department_id );

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• Henry's job was to examine cars which crossed the frontier to make sure that they were not smuggling anything into the country. Every morning，except at weekends，he【11】see a factory worker coming up the hill towards the frontier，【12】a bicycle with a big load of old straw on it. When the bicycle arrived the frontier，Henry used to stop the man and order him to take the straw off. Then he would examine the straw very carefully to see【13】he could find anything，after which he would look in all the man's pockets before he let him tie the straw up again. The man would then put it on his bicycle and go off down the hill with it. Although Henry was always【14】to find gold or jewelry or other valuable things hidden in the straw，he never found【15】，even though he examined it very carefully. He was sure that the man was smuggling something，but he was not【16】to imagine what it could be.

  Then one evening，after he had looked through the straw and emptied the factory worker's pockets【17】usual，he said to him，“Listen，I know that you are smuggling things【18】this frontier. Won't you tell me what it is that you're bringing into the country so successfully？ I'm an old man，and today's my last day on the job. Tomorrow I'm going to【19】. I promise that I shall not tell anyone if you tell me what you've been smuggling. ”The factory worker did not say anything for【20】. Then he smiled，turned to Henry and said quietly：“Bicycles. ” (11) A．should B．might C．would D．must

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• Henry's job was to examine cars which crossed the frontier to make sure that they were not smuggling any thing into the country. Every evening except at weekends, he【36】see a factory worker coming up the hill towards the frontier,【37】a bicycle with a big load of straw on it. When the bicycle【38】the frontier, Henry used to stop the man and【39】him take the straw off and【40】it. Then he would examine the straw very carefully to see【41】he could find anything, after which he would look in all the man's pockets【42】he let him tie the straw again. The man would then put it on his bicycle and go off down the hill with it. Although Henry was always【43】to find gold or jewellery or other valuable things【44】in the straw, he never found【45】, even though he examined it very carefully. He was sure that the man was【46】something, but he was not【47】to imagine what it could be.

  Then one evening, after he has looked【48】the straw and emptied the factory worker's ,pockets【49】usual, he【50】to him, "Listen. I know that you are smuggling things【51】this frontier. Won't you tell me what it is that you are bring into. Today's my last day on the【52】. Tomorrow I'm going to【53】. I promise that I shall not tell【54】if you tell me what you've been smuggling." The factory worker did not say anything for【55】. Then he smiled, turned to Henry and said quickly: "Bicycles." (66) A．should B．would C．might D．must

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• For the ZTE PTN equipment, the command to query the fan status and the power status is ()。

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• Examine the following commands and their output:SQL＞ SELECT ename, sal FROM emp WHERE ename=‘JAMES‘; ENAME SAL JAMES 1050QL＞ UPDATE emp SET sal=sal+sal*1.2 WHERE ename=‘JAMES‘;1 row updated.SQL＞ SELECT ename, sal FROM emp WHERE ename=‘JAMES‘; ENAME SAL JAMES 2310View the exhibit and examine the Flashback Version Query that was executed after the preceding commands.What could be the possible cause for the query not displaying any row？（）

  <img src='https://img2.soutiyun.com/ask/uploadfile/2019-03-27/a303b81782e5cc63228b13b8df2b43c9.jpg' /> 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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• Click the Exhibit button and examine the data in the EMPLOYEES and DEPARTMENTS tables.

  You want to retrieve all employees, whether or not they have matching departments in the departments table. Which query would you use？（）<img src='https://img2.soutiyun.com/shangxueba/ask/18264001-18267000/18266966/2018080111484519157.jpg' /> A. SELECT last_name, department_name FROM employees NATURAL JOIN departments; B. SELECT last_name, department_name FROM employees JOIN departments ; C. SELECT last_name, department_name FROM employees e JOIN departments d ON (e.department_id = d.department_id); D. SELECT last_name, department_name FROM employees e RIGHT OUTER JOIN departments d ON (e.department_id = d.department_id); E. SELECT last_name, department_name FROM employees FULL JOIN departments ON (e.department_id = d.department_id); F . SELECT last_name, department_name FROM employees e LEFT OUTER JOIN departments d ON (e.department_id = d.department_id)

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• View the Exhibit and examine the output of the query in different times when the following command runs in an RMAN sessions:RMAN＞ BACKUP DATABASE FILESPERSET 2;The database has seven data files.Why is the %_COMPLETE refreshed to 13.59 in the third output afterreaching 88.77？（）

  A. Because the progress is reported for each data file B. Because the progress is reported for each backup set C. Because other RMAN sessions have issued the same BACKUP command D. Because new data files have been added to the database while the RMAN backup is in progress

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• Examine the data of the EMPLOYEES table.EMPLOYEES （EMPLOYEE_ID is the primary key. MGR_ID is the ID of managers and refers to the EMPLOYEE_ID)Evaluate this SQL statement:What is its output？（）

  <img src='https://img2.soutiyun.com/shangxueba/ask/17133001-17136000/17135449/6bce46904716f2e8357f4849d2a3423d.jpg' /> <img src='https://img2.soutiyun.com/shangxueba/ask/17133001-17136000/17135449/c5c76fa6bab26c6735c868df586306cf.jpg' /> A.<img src='https://img2.soutiyun.com/shangxueba/ask/17133001-17136000/17135449/0f921b8c15106e9d6cc8e36a50134106.jpg' /> B.<img src='https://img2.soutiyun.com/shangxueba/ask/17133001-17136000/17135449/d072515564553d90b433296aa71e021a.jpg' /> C.<img src='https://img2.soutiyun.com/shangxueba/ask/17133001-17136000/17135449/b4721c6b94a9b61c92cdbe82aabc3ae1.jpg' /> D.<img src='https://img2.soutiyun.com/shangxueba/ask/17133001-17136000/17135449/b27c35e83798de4bbbccaef22fa31b48.jpg' /> E. The SQL statement produces an error.

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