Data Sheet nearly 40 million the amount of data, the table only the primary key index no other indexes, materialized views to create a pre-filter query

Data Sheet nearly 40 million the amount of data, the table only the primary key index no other indexes, materialized views to create a pre-filter query

- often only a few hundred each query of data in 40 million, and thus create a materialized view filter and get the result of a few thousand to tens of thousands of pieces of data, and creates a listener dynamically updated.

 

 

drop materialized view log on fs_budgetpayout_detail ;    --不是view名，是表名

create materialized view  mv_fs_budgetpayout_detail	--创建物化视图 mv_fs_budgetpayout_detail
  build immediate
  refresh fast
  on commit
  enable query rewrite
  as  
  select t.fiscal, t.co_code, t.project_code, t.outlay_code , sum(t.payout_amt) payout_amt
   from fs_budgetpayout_detail t
  where t.period != 0
  and t.period != 13
  group by t.fiscal, t.co_code, t.project_code,t.outlay_code
    

create materialized view log on fs_budgetpayout_detail with rowid,sequence(payout_amt,fiscal,co_code,project_code,period,outlay_code) including new values;