能量蛋白比
In Oracle 11g, which recommendations does the SQL Access Advisor generate? ()(Choose all that apply.) [" partitioning recommendations"," statistics collection recommendations"," index creation recommendations"," materialized view recommendations"," materialized view log recommendatio"]
试述游戏教育实施周计划制定中应注意哪些问题。
消除交流伺服电动机“自转”现象的方法是()。 ["增加转子导条的电阻","减少极对数","增加极对数","增加电源频率"]
You have executed this command to change the size of the database buffer cache: SQL> ALTER SYSTEM SET DB_CACHE_SIZE=2516582; System altered. To verify the change in size, you executed this command:SQL> SHOW PARAMETER DB_CACHE_SIZENAME TYPE VALUE ------------------- ----------- ------------------ db_cache_size big integer 4194304 Why is the value set to 4194304 and not to 2516582() ["Because 4194304 is the granule size","Because 4194304 is the standard block size","Because 4194304 is the largest nonstandard block size defined in the database","Because 4194304 is the total size of data already available in the database buffer cache"]
电力系统组成的五个环节,即:发电→输电→()→()→用电。