简要叙述房地产评估成本法的适用范围。 正确。 错误。
Which three functions are performed by the SQL Tuning Advisor?() 正确。 错误。
下列与合作意识不一致的是()。 正确。 错误。
Examine the structure of the EMPLOYEES and DEPARTMENTS tables: EMPLOYEES EMPLOYEE_ID NUMBER DEPARTMENT_ID NUMBER MANAGER_ID NUMBER LAST_NAME VARCHAR2(25) DEPARTMENTS DEPARTMENT_ID NUMBER MANAGER_ID NUMBER DEPARTMENT_NAME VARCHAR2(35) LOCATION_ID NUMBER You want to create a report displaying employee last names, department names, and locations. Which query should you use?() 正确。 错误。
剪应力的影响 正确。 错误。
执行Command的ExecuteScalar方法得到的是结果集中的第2行第2列。