In a database with the database character set of US7ASCII and a national character set of UTF-8, which datatypes would be capable of storing Unicode data by default?（） VARCHAR2。 CHAR。 NVARCHAR2。 CLOB。 LONG。
偿债能力
Which three SELECT statements displays 2000 in the format "$2,000.00"? （） SELECT TO CNAR(2000, '$#,###.##') FROM dual;。 SELECT TO CNAR(2000, '$0,000.00') FROM dual;。 SELECT TO CNAR(2000, '$9,999.00') FROM dual;。 SELECT TO CNAR(2000, '$9,999.99') FROM dual;。 SELECT TO CNAR(2000, '$2,000.00') FROM dual;。 SELECT TO CNAR(2000, '$N,NNN.NN') FROM dual。
A customer’s support technician finished installing their new x366 server running Windows 2003 Enterprise Server and the IBM Director agent. The customer applied the latest BIOS and firmware drivers available on the Web for the system. The problem is that the x366 runs for a few minutes and then reboots itself. Which of the following should be checked first？（） Configure the box with RAID-1 and not RAID-5.。 Disable Hyperthreading feature on the machine.。 Ensure the Watchdog timers on the RSA-II are disabled.。 Replace the Windows NTLDR file on the root partition from another copy of the Windows OS files.。
真菌毒素中毒？
A junior level Database Administrator erroneously deleted the database alert log while users were accessing the database. Which action should you take to recover the alert log？（）
