Identify the correct sequence of steps.

You want to capture column group usage and gather extended statistics for better
cardinality estimates for the customers table in the SH schema. Examine the following
steps: 1. Issue the SELECTDBMS_STATS. CREATE_EXTENDED_STATS(‘SH’,
‘CUSTOMERS’)from dual statement. 2.Execute the dbms_stats.seed_col_usage
(null,‘SH’,500) procedure. 3.Execute the required queries on the customers table. 4.Issue
the select dbms_stats.reportwcol_usage(‘SH’, ‘customers’) from dual statement. Identify the
correct sequence of steps.

You want to capture column group usage and gather extended statistics for better
cardinality estimates for the customers table in the SH schema. Examine the following
steps: 1. Issue the SELECTDBMS_STATS. CREATE_EXTENDED_STATS(‘SH’,
‘CUSTOMERS’)from dual statement. 2.Execute the dbms_stats.seed_col_usage
(null,‘SH’,500) procedure. 3.Execute the required queries on the customers table. 4.Issue
the select dbms_stats.reportwcol_usage(‘SH’, ‘customers’) from dual statement. Identify the
correct sequence of steps.

A.
3, 2, 1, 4

B.
2, 3, 4, 1

C.
4, 1, 3, 2

D.
3, 2, 4, 1



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