You need to perform certain data manipulation operations through a view called EMP_DEPT_VU, which you previously created. You want to look at the definition of the view (the SELECT statement on which the view was create.) How do you obtain the definition of the view? ()
A. Use the DESCRIBE command in the EMP_DEPT VU view.
B. Use the DEFINE VIEW command on the EMP_DEPT VU view.
C. Use the DESCRIBE VIEW command on the EMP_DEPT VU view.
D. Query the USER_VIEWS data dictionary view to search for the EMP_DEPT_VU view.
E. Query the USER_SOURCE data dictionary view to search for the EMP_DEPT_VU view.
F. Query the USER_OBJECTS data dictionary view to search for the EMP_DEPT_VU view.
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()属于间接接触触电。
A. 跨步电压触电
B. 感应电压触电
C. 雷电触电
D. 静电触电
下列各项中,会导致账实不符的有()
A. 记账中漏记
B. 记账中借记
C. 财产毁损
D. 收、发财产时,计量不准确而造成数量上的差错
E. 因账单未到达,造成与其他企业结算往来款不符