analyze materialized view : Analyze « SQL Plus « Oracle PL / SQL






analyze materialized view

  
SQL>
SQL> create table my_all_objects
  2  nologging
  3  as
  4  select * from all_objects
  5  union all
  6  select * from all_objects
  7  union all
  8  select * from all_objects
  9  /

Table created.

SQL>
SQL>
SQL> alter session set query_rewrite_enabled=true;

Session altered.

SQL>
SQL> alter session set query_rewrite_integrity=enforced;

Session altered.

SQL>
SQL> create materialized view my_all_objects_aggs
  2  build immediate
  3  refresh on commit
  4  enable query rewrite
  5  as
  6  select owner, count(*)
  7    from my_all_objects
  8   group by owner
  9  /


SQL>
SQL> analyze table my_all_objects_aggs compute statistics;

SQL>
SQL> drop table my_all_objects;

Table dropped.

SQL>
SQL>

   
  








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