Which Oracle background process is responsible for providing information about the instance name associated with the service handlers and services to the listener？（）

Whichofthefollowingoptionsenablesausertogetauthenticate...

单项选择题Which of the following options enables a user to get authenticated though a single password instead of using multiple passwords？（）

Whichofthefollowingrolesmustbegrantedtoausertoperformaf...

单项选择题Which of the following roles must be granted to a user to perform a full database import？（）

WhichparameterallowsSQL*Loadertoloaddataintoatablewitht...

单项选择题Which parameter allows SQL*Loader to load data into a table with the indexes in the unusable state， prior to the load operation？（）