单选题Which statement regarding the contents of the V$PARAMETER view is true？（）Adisplays only the list of default valuesBdisplays only the list of all basic parametersCdisplays the currently in effect parameter valuesDdisplays only the list of all advanced parametersEdisplays the list of all the parameter files of a database
单选题
Which statement regarding the contents of the V$PARAMETER view is true？（）
A
displays only the list of default values
B
displays only the list of all basic parameters
C
displays the currently in effect parameter values
D
displays only the list of all advanced parameters
E
displays the list of all the parameter files of a database
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