题目
A.
B.
C.
D. The query fails because the subquery returns more than one row.
E. The query fails because the outer query and the inner query are using different tables.
第1题
A. permits only the 10.0.0.0/8 prefix to be advertised to the 10.1.1.1 neighbor
B. marks all prefixes received fro m the 10.1.1.1 neighbor with a MED of 200
C. marks the 10.0.0.0/8 prefix advertised to the 10.1.1.1 neighbor with a MED of 200
D. permits only the 10.0.0.0/8 prefix to be received from the 10.1.1.1 neighbor
E. marks all prefixes advertised to the 10.1.1 .1 neighbor with a MED of 200
F. marks the 10.0.0.0/8 prefix received from the 10.1.1.1 neighbor with a MED of 200
第3题
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)Which statement lists the ID, name, and salary of the employee, and the ID and name of the employee‘s manager, for all the employees who have a manager and earn more than 4000?()
A.
B.
C.
D.
E.
第4题
A.
B.
C.
D.
第5题
186 Methods and techniques used to examine cost and technical data are called feasibility studies. The economic aspects of a feasibility study include interest rates, present worth factors, operating costs, depreciation and _____.
A. Capitalization costs.
B. Technical skill requirements.
C. Technology forecasting.
D. Strategic marketing intelligence.
E. All of the above
第6题
104 Methods and techniques used to examine cost and technical data are called feasibility studies. The economic aspects of a feasibility study include interest rates, present worth factors, operating costs, depreciation and _____.
A. Capitalization costs.
B. Technical skill requirements.
C. Technology forecasting.
D. Strategic marketing intelligence.
E. All of the above.
第7题
A. 1 - Oracle Loader, 2 - Oracle Data Pump, 3 - Direct Path API
B. 1 - Oracle Data Pump, 2 - Direct Path API, 3 - Oracle Loader
C. 1 - Direct Path API, 2 - Oracle Loader, 3 - Oracle Data Pump
D. 1 - Oracle Loader, 2 - Direct Path API, 3 - Oracle Data Pump
第8题
A. It collects statistics into the pending area in the data dictionary
B. It creates a virtual hidden column in the CUSTOMERS_OBE table
C. It collects statistics with AUTO_SAMPLE_SIZE for ESTIMATE_PERCENT
D. It creates a histogram to hold skewed information about the data in the columns
第9题
You examine drive E. The hard disk is configured as shown in the Local Disk Properties exhibit.
You want the users to be able to add data, and you want to minimize administrative overhead. What should you do?
A.Increase the maximum file size of Sales_Data to 1,500MB.
B.Use the DBCC SHRINKDATABASE statement.
C.Set automatic file growth to 10 percent.
D.Create another data file named Sales_Data2 in a new SECONDARY filegroup.
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