单项选择题
A. The query starts under the CLERKS group and the user, SCOTT, switches back to the MANAGERS group after the query completes.
B. The query starts under the MANAGERS group but terminates with an error when the execution time exceeds 10 minutes.
C. The query starts under the MANAGERS group and switches automatically to the CLERKS group when the execution time exceeds 10 minutes. The query does not switch back to the MANAGERS group after the query completes.
D. The query starts under the MANAGERS group, the user SCOTT switches automatically to the CLERKS group when the execution time exceeds 10 minutes, and then switches back to the MANAGERS group after the query completes.
单项选择题 Click the Exhibit(s) button to view the DEPARTMENTS plan. After analyzing the Exhibit, what conclusion will you draw?()
单项选择题 You issued the following statement: SQL> ALTER SESSION SET NLS_LANG=FRENCH_CANADA.WE8ISO8859P1; Which parameter is NOT overridden by using the above statement?()
单项选择题 Your Oracle10g database contains a table with a TIMESTAMP TO LOCAL TIME ZONE column. There are about two hundred column values for the column. You issued the following statement: SQL> ALTER DATABASE SET TIME_ZONE =’Europe/London’; What will be the result of issuing the above statement?()