Oracle_scripte/Tanel/demos/explain.sql
2014-09-17 13:23:48 +02:00

19 lines
338 B
SQL

drop table t;
create table t as select * from all_objects;
create index i on t(object_id);
@gts t
explain plan for
select * from t where object_id = 10000;
select * from table(dbms_xplan.display);
rollback;
var v number
exec :v:=10000;
explain plan for
select * from t where object_id = :v;
select * from table(dbms_xplan.display);