题目
A. A filter is added to the table query dynamically using ROWNUM to limit the rows to 20 percent of the total rows
B. All the rows are returned to the client or middle tier but only the first 20 percent are returned to the screen or the application.
C. A view is created during execution and a filter on the view limits the rows to 20 percent of the total rows.
D. A TOP-N query is created to limit the rows to 20 percent of the total rows
第1题
A.Scope of list
B.Breakdown
C.Layout
D.Selection parameter
第2题
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.
第3题
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
第4题
A. It retrieves the latest version of the table from the recycle bin
B. It retrieves the oldest version of the table from the recycle bin
C. It retrieves the version of the table for which undo information is available
D. It returns an error because the table name is not specified as per the names in the OBJECT_NAME column
第5题
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.
第6题
A. In Device Manager, right-click the modem, and then click Scan for hardware changes.
B. In Modem Properties, click the Modem tab, and then set the maximum port speed to the same value as the value for the maximum port speed on TestKing8.
C. In Modem Properties, click the Diagnostics tab, and then click the Query Modem button.
D. In Device Manager, right-click Ports, and then click Scan for hardware changes.
第7题
A.The slave SQL thread does not have DELETE privileges to execute on test.t1 table.s
B.The table definition on the slave -litters from the master
C.Multi-threaded replication slaves can have temporary errors occurring for cross database updates
D.The slave SQL thread attempted to remove a row from the test.t1 table, but the row did not exist
第8题
A.locate
B.which
C.find
D.query
E.whereis
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