A customer is very concerned about maintaining a competitive advantage through the use of state-of-the-art technology. Assuming all solutions meet the customer’s technical requirements， which solution should the IBM team propose to maximize customer satisfaction？（） p690 with Dynamic LPAR。 Grid of SP switch-attached p5-550s。 p690 with Advanced POWER Virtualization。 p5-570 with Advanced POWER Virtualizatio。
While installing an application， the administrator is instructed to perform two final tasks prior to starting the application： 1.Set the ownership of a file named ’control_file’ to be owned by the user ’database’ and the group ’appsrvr’. 2.Change the permissions of ’control_file’ to 0766. After these two tasks have been completed， what will the file permissions look like when ’ls -l control_file’ is executed？（） -rwxrw-rw- 1 database appsrvr 4913 Mar 17 08：24 control_file。 -rw-r--r-- 1 appsrvr database 4913 Mar 17 08：24 control_file。 -rw-r--r-- 1 database appsrvr 4913 Mar 17 08：24 control_file。 -rwxrw-rw- 1 appsrvr database 4913 Mar 17 08：24 control_file。
逆城市化
Immediately after adding a new disk to or removing an existing disk from an ASM instance, you find that the performance of the database goes down initially until the time the addition or removal process is completed, and then gradually becomes normal. Which two activities would you perform to maintain a consistent performance of the database while adding or removing disks?（） Define the POWER option while adding or removing the disks。 Increase the number of ARB processes by setting up a higher value for ASM_POWER_LIMIT.。 Increase the number of DBWR processes by setting up a higher value for DB_WRITER_PROCESSES。 Increase the number of slave database writer processes by setting up a higher value for DBWR_IO_SLAVES。
血清结合珠蛋白测定正常参考值（） 0.2-19gHb/L。 <0.15Ghb/L。 >0.20gHb/L。 <0.10gHb/L。
If a unique constraint is defined on column COL1 of table TAB1, what are the characteristics of COL1?（）
