单选题View the Exhibit and examine the details of the EMPLOYEES table. The query was written to format the PHONE_NUMBER for the employees. Which option would be the correct format in the output？（）Axxx-xxx-xxxxB（xxx） xxxxxxxC（xxx） xxx-xxxxDxxx-（xxx）-xxxx

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单选题

View the Exhibit and examine the details of the EMPLOYEES table. The query was written to format the PHONE_NUMBER for the employees. Which option would be the correct format in the output？（）

xxx-xxx-xxxx

（xxx） xxxxxxx

（xxx） xxx-xxxx

xxx-（xxx）-xxxx

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第1题

View the Exhibit to examine the Automatic SQL Tuning result details.Which action would you suggest for the selected SQL statement in the Exhibit?()A. Accept the recommended SQL profile.B.Collect statistics for the related objects.C. Run the Access Advisor for the SQL statement.D. Run the Segment Advisor for recommendations.

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第2题

You added a PHONE_NUMBER column of NUMBER data type to an existing EMPLOYEES table. The EMPLOYEES table already contains records of 100 employees. Now, you want to enter the phone numbers of each of the 100 employees into the table. Some of the employees may not have a phone number available. Which data manipulation operation do you perform? （）A. MERGEB. INSERTC. UPDATED. ADDE. ENTERF. You cannot enter the phone numbers for the existing employee records.

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第3题

Examine the structure of the EMPLOYEES table:What is the correct syntax for an inline view?()A.B.C.D.

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第4题

Examine the following commands and their output:View 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?（）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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第5题

ViewtheExhibitandexaminethedetailsoftheEMPLOYEEStable.ThequerywaswrittentoformatthePHONE_NUMBERfortheemployees.Whichoptionwouldbethecorrectformatintheoutput?()A.xxx-xxx-xxxxB.（xxx）xxxxxxxC.（xxx）xxx-xxxxD.xxx-（xxx）-xxxx

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第6题

Click the Exhibit button to examine the structures of the EMPLOYEES, DEPARTMENTS, and TAX tables.For which situation would you use a nonequijoin query?()A.to find the tax percentage for each of the employeesB.to list the name, job_id, and manager name for all the employeesC.to find the name, salary, and the department name of employees who are not working with SmithD.to find the number of employees working for the Administrative department and earning less than 4000E.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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第7题

Click the Exhibit button to examine the data of the EMPLOYEES table. Evaluate this SQL statement:SELECT e.employee_id "Emp_id", e.emp_name "Employee", e.salary, m.employee_id "Mgr_id", m.emp_name "Manager"FROM employees e JOIN employees m ON (e.mgr_id = m.employee_id)AND e.salary > 4000;What is its output?（）A.AB.BC.CD.DE.E

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单选题View the Exhibit and examine the details of the EMPLOYEES table. The query was written to format the PHONE_NUMBER for the employees. Which option would be the correct format in the output？（）A xxx-xxx-xxxxB （xxx） xxxxxxxC （xxx） xxx-xxxxD xxx-

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