explain plan

Here which sql query is planned
I am mean analyzed Can you specifiy?

Explain plan for Query :

alter session set current_schema=<schema_name>;

select * from table(dbms_xplan.display);

select * from table(dbms_xplan.display_cursor);

select /*+ gather_plan_statistics */ count(*) from hist_test where id1>1000000;

select * from table(dbms_xplan.display_cursor(null,null,'ALLSTATS LAST'));

select distinct sql_id, PLAN_HASH_VALUE,TIMESTAMP from dba_hist_sql_plan where sql_id='&sql_id';
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slightwv (䄆 Netminder) Commented:
I agree.  This looks like an exam question.

Please provide more information about the specific question you are asking.
DavidSenior Oracle Database AdministratorCommented:
Jcob, we serve best when the asker has tried to find his/her own answer and has become stuck...  The old "teach how to fish" adage.

My two cents, read for familiarity the existing docs and then ask for clarification:

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