甲为投身恐怖主义活动而参加了某国际恐怖主义组织，法院认定甲构成参加恐怖组织罪。甲的行为属于（） ["预备犯","实行犯","帮助犯","未遂犯"]
A new report process containing a complex query is written, with high impact on the database. You wantto collect basic statistics about query, such as the level of parallelism, total database time, and the number of I/O requests. For the database instance STATISTICS_LEVEL, the initialization parameter is set to TYPICAL and theCONTROL_MANAGEMENT_PACK_ACCESS parameter is set to DIAGNOSTIC+TUNING. What should you do to accomplish this task?（） [" Execute the query and view Active Session History (ASH) for information about the query."," Enable SQL trace for the query."," Create a database operation, execute the query, and use the DBMS_SQL_MONITOR. REPORT_SQL_MONITOR function to view the report."," Use the DBMS_APPLICATION_INFO.SET_SESSION_LONGOPS procedure to monitor query execution and view the information from the V$SESSION_LONGOPS view."]
根据《反家庭暴力法》的规定，人身安全保护令的有效期不超过（）。 ["一年","五个月","三个月","六个月"]
You performed an incomplete recovery on your Oracle Database 10g database using the following command： SQL> RECOVER DATABASE 2 UNTIL TIME ’2004-08-05：12：10：03’ 3 USING BACKUP CONTROLFILE； In which situation would the above recovery be required？（） [" A user table was lost at the specified time."," A redo log file was lost at the specified time."," The backup control file is on a faster disk than the current one."," The current control file has a different path compared with the intended time of recovery."," The current control file does not match the physical structure of the database at the intended time of recovery."]
分子机械理论
简述命名空间的两种引用方式。
