A.EXPORT_TO_STAGE (stage = > @Wage, select = > 'select * from t1);

B.COPY INTO @stage

C.EXPORT TO @stage

D.INSERT INTO @stage

A.A single join node uses more than 50% of the query time

B.The query is spilling to remote storage

C.Partitions scanned is equal to partitions total

D.An AggregateOperacor node is present

A.Database stage

B.External stage

C.Table stage

D.User stage

A.Database stage

B.External stage

C.Table stage

D.User stage

A.A Materialized View cannot support any aggregate functions

B.A Materialized View can only reference up to two tables

C.A Materialized View cannot be joined with other tables

D.A Materialized View cannot be defined with a JOIN