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?
A.
UPDATE DB CFG FOR sample USING AUTO_RUNSTATS ON;UPDATE DB CFG FOR sample USING AUTO_STMT_STATS ON;
B.
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;
C.
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;
D.
UPDATE DB CFG FOR sample USING AUTO_RUNSTATS ON;UPDATE DB CFG FOR sample USING AUTO_STATS_VIEWS ON;
The correct answer is A.
"To enable real-time statistics collection, set both auto_stmt_stats and auto_runstats database configuration parameters to ON."
Reference:
https://www.ibm.com/support/knowledgecenter/SSEPGG_11.1.0/com.ibm.db2.luw.admin.perf.doc/doc/t0011763.html
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IVIEIRA
4 years, 5 months ago