試験ARA-C01 トピック4 問題9 スレッド

A. use database db2;
use schema schema2;
select * from db1.schemal.tablel union select * from table2;

B. use database db1;
use schema schemal;
select * from db2.schema2.table2;

C. use database db2;
use schema schema2;
create view v2 as select * from dbl.schemal. tablel;

D. use database db1;
use schema schemal;
create view v1 as select * from db2.schema2.table2;