Which two statements are true regarding views? (Choose two.)
A.
A subquery that defines a view cannot include the GROUP BY clause.
B.
A view that is created with the subquery having the DISTINCT keyword can be updated.
C.
A view that is created with the subquery having the pseudo column ROWNUM keyword cannot be updated.
D.
A data manipulation language ( DML) operation can be performed on a view that is created with the subquery having all the NOT NULL columns of a table.
I guess. B is also correct.
A view including DISTINCT keyword cannot be updated.
Just try.
yes that`s correct…
Sites of interest we have a link to.
although websites we backlink to below are considerably not associated to ours, we feel they are essentially really worth a go by way of, so have a look
Every the moment in a whilst we decide on blogs that we read. Listed beneath would be the latest websites that we select
usually posts some incredibly exciting stuff like this. If you are new to this site
the time to study or take a look at the content material or web pages we’ve linked to below the
Sites of interest we’ve a link to