【单选题】Examine the parameter for your database instance: You generated the execution plan for the following query in the plan table and noticed that the nested loop join was done. After actual execution of t...
A.
The optimizer used a dynamic plan for the query.
B.
The optimizer chose different plans because automatic dynamic sampling was enabled.
C.
The optimizer used re-optimization cardinality feedback for the query.
D.
The optimizer chose different plan because extended statistics were created for the columns used.