单项选择题
Which of the following tasks is not performed by the job coordinator?（）
A. Update job log when a job completes
B. Spawn and remove job slaves
C. Write/read job info to/from memory cache
D. Query job table
E. Pass job information to job slaves
相关考题
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单项选择题
Which of the following calendaring syntax expressions would evaluate to the last day of every month?（）
A. FREQ = MONTHLY; BYMONTHDAY = 31
B. FREQ = MONTHLY; BYMONTHDAY = -1
C. FREQ = DAILY; BYDAY = -1
D. FREQ = MONTHLY; BYDAY = 31
E. FREQ = DAILY; BYMONTHDAY = LAST_DAY -
单项选择题
Consider the following code snippet: If this code were executed, which of the following statements would be true?（）
A. The priority of the lne_job1 job would be set to 1.
B. The lne_job1 job would be executed synchronously.
C. The lne_job1 job would run immediately in the user‟s current session.
D. The lne_job1 job would retain its current priority.
E. The job will immediately take priority over all running jobs. -
多项选择题
WhichtwostatementsaretrueregardingtheORDERBYclause?（）
A.It is executed first in the query execution
B.It must be the last clause in the SELECT statement
C.It cannot be used in a SELECT statement containing a HAVING clause
D.You cannot specify a column name followed by an expression in this clause
E.You can specify a combination of numeric positions and column names in this clause
