The values of the automatic maintenance database configuration parameters for a database named SAMPLE are as follows:
What commands must be run to enable real-time statistics collection on the SAMPLE database? 

UPDATE DB CFG FOR sample USING AUTO_RUNSTATS ON;
UPDATE DB CFG FOR sample USING AUTO_STMT_STATS ON;

UPDATE DB CFG FOR sample USING AUTO_TBL_MAINT ON;
UPDATE DB CFG FOR sample USING AUTO_RUNSTATS ON;
UPDATE DB CFG FOR sample USING AUTO_STMT_STATS ON;

UPDATE DB CFG FOR sample USING AUTO_TBL_MAINT ON;
UPDATE DB CFG FOR sample USING AUTO_RUNSTATS ON;
UPDATE DB CFG FOR sample USING AUTO_STATS_VIEWS ON; 

UPDATE DB CFG FOR sample USING AUTO_RUNSTATS ON;
UPDATE DB CFG FOR sample USING AUTO_STATS_VIEWS ON;