多项选择题
A. use the ALTER SYSTEM command to change the time zone
B. use the ALTER SESSION command to change the time zone
C. use the ALTER DATABASE command to change the time zone
D. set the value for the operating system variable ORA_SDTZ on the client machine
E. set the value for the operating system variable ORA_SDTZ on the database server machine
多项选择题 Exhibit，View the Exhibit and examine the Resource Manager settings for the groups at different levels. Which two effects would be the result of this setting？ （）
单项选择题 YouareusingOracleDatabase10g.Whichstatementregardinganincompleterecoveryistrue？（）
单项选择题 Inyourdatabase，onlineredologfilesaremultiplexedandoneofthemembersinagroupislostduetomediafailure？Howwouldyourecoverthelostredologmember？（）