YouaremaintainingyourOracle10gdatabaseintheUNIXenvironment.Anapplicationrequiresoneoftheusersessionstoexistintheoperatingsystemlocaltimezone.Youdecidetosetthetimezoneforasessionusingtheoperatingsystemenvironmentvariable.Whichcommandwillyouissue？（）A.setenv
题目
YouaremaintainingyourOracle10gdatabaseintheUNIXenvironment.Anapplicationrequiresoneoftheusersessionstoexistintheoperatingsystemlocaltimezone.Youdecidetosetthetimezoneforasessionusingtheoperatingsystemenvironmentvariable.Whichcommandwillyouissue？（）
A.setenvORA_SDTZ’DB_TZ’
B.setenvORA_SDTZ’+10：00’
C.setenvORA_SDTZ’OS-TZ’
D.setenvORA_SDTZ’Europe/London’