Yuri created a formula for a button. The code is supposed to set the value of an existing field called title. He used the following formula: title:= @propercase (title); after the foumula runs ,the title field is null. Why? （）
A. the value of one field cannot be set from the value in another field
B. the text string in the formula is set to null. Thus notes cannot validate the formula
C. when setting the value of a field , the formula must be in the field‟s input validation event
D. the formula does not specify that title is an existing field. Thus it is interpreted as a temporary variable
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Youexecutedthefollowingcommand: RMAN>RECOVERCOPYOFDATAFILE'/u01/app/oracle/oradata/orcl/users01.dbf'; Whichstatementregardingtheabovecommandiscorrect?（）
A. The'/u01/app/oracle/oradata/orcl/users01.dbf'datafileisrecoveredfromtheimagecopy
B. The'/u01/app/oracle/oradata/orcl/users01.dbf'datafileisrecoveredfromthelastincrementalbackup
C. Imagecopiesofthe'/u01/app/oracle/oradata/orcl/users01.dbf'datafileareupdatedwithallchangesuptoincrementalbackupSC
D. '/u01/app/oracle/oradata/orcl/users01.dbf
E. Imagecopiesofthe'/u01/app/oracle/oradata/orcl/users01.dbf'datafilearerecoveredusingtheabovecommandifdatafilerecoveryfails
WhichofthefollowingisthelowestcostDB2productthatcanbelegallyinstalledonaLinuxserverthathas6CPUs?（）
A. DB2ExpressEdition
B. DB2PersonalEdition
C. DB2WorkgroupServerEdition
DB2EnterpriseServerEdition
A customer is getting ready to install a new pSeries system into their data center. They are concerned about providing the appropriate clearance around their 7014-T42 to allow for maintenance. What reference material should the pSeries technical specialist provide to the customer？（）
A. Sales Manual
B. Announcement Letter
C. Site and Hardware Planning Information
D. Adapter， Devices， and Cable Information for Multiple Bus Systems
WhichofthefollowingisthemainfeatureofanOLTPapplication?（）
A. Summarizedqueries
B. Granulartransactions
C. Voluminoushistoricaldata
D. Heterogeneousdatasources
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