The primary task of the compressed air system is to deliver the starting air necessary for ()
A、A.starting the ME
B、B.starting the emergency electric alternator
C、C.driving the main turbine
D、D.driving the turbocharger
A、A.starting the ME
B、B.starting the emergency electric alternator
C、C.driving the main turbine
D、D.driving the turbocharger
A、The list of column names in the FOREIGN KEY clause can be a subset of the list of column names in the primary key of T2 or a UNIQUE constraint that exists on T2. B、The list of column names in the FOREIGN KEY clause can be a subset of the list of column names in the primary key of T1 or a UNIQUE constraint that exists on T1. C、The list of column names in the FOREIGN KEY clause must be identical to the list of column names in the primary key of T2 or a UNIQUE constraint that exists on T2. D、The list of column names in the FOREIGN KEY clause must be identical to the list of column names in the primary key of T1 or a UNIQUE constraint that exists on T1.
A、A template needs to be associated with the task. B、A workload needs to be associated with the task. C、The partial or complete workload scope needs to be associated with the task. D、The type of structures (indexes, materialized views, or partitions) to be recommended need to be specified for the task.
A、to prevent the creation of an excessive number of scheduler job classes B、to allow the Automated Maintenance Tasks to use system resources without any restriction C、to allow resource sharing only among the Automated Maintenance Tasks in the maintenance window D、to prevent the Automated Maintenance Tasks from consuming excessive amounts of system resources
A、It creates a task and workload, and executes the task. B、It creates a task and workload but does not execute the task. C、It produces an error because a template has not been created. D、It produces an error because the SQL Tuning Set has not been created.
A、density differences of the water B、rotation of the earth C、direction of primary circulation of air D、all of the above
A、ALTER TABLE students ADD PRIMARY KEY student_id; B、ALTER TABLE students ADD CONSTRAINT PRIMARY KEY (student _ id); C、ALTER TABLE students ADD CONSTRAINT stud _ id _pk PRIMARY KEY (student _ id); D、ALTER TABLE students MODIFY CONSTRAINT stud _ id _pk PRIMARY KEY (student _ id);
A、In the Backup utility, clear the Enabled (scheduled tasks runs at specified time) check box. B、In Control Panel, use Scheduled Tasks to pause Task Scheduler. C、Run the Schtasks command with the /end /p parameters. D、Use the Services snap-in to change the startup type of the Task Scheduler service from Automatic to Manual.
A、Decrease the base priority of the ap_financial_reports task. B、Decrease the number of threads available for the ap_financial_reports task. C、Increase the base priority of the perf_log task. D、Increase the number of threats available for perf_log task.
A、Decrease the base priority of the ap_financial_reports task. B、Decrease the number of threads available for the ap_financial_reports task. C、Increase the base priority of the perf_log task. D、Increase the number of threats available for perf_log task.