Question: I know that I can add a comment to a
table, but I want to add a column to a view and a materialized view.
Does Oracle allows the COMMENT ON syntax with views?
Answer: Yes, Oracle treats table and view
alike with the COMMENT ON clause, and you can add a comment to a
materialized view with the COMMENT ON MATERIALIZED VIEW clause.
--************************
-- Comment a table
entry
--************************
comment on table
scott.emp
is
‘This is a comment on the employee
table , , , ‘;
--************************
-- Comment a view entry
--************************
comment on table
scott.empview
is
‘This is a comment on the employee
view, a collection of tables , , , ‘;
--************************
-- Comment a
materialized view
--************************
comment on materialized
view
scott.emp_mv
is
‘This is a comment on a materialized
view, a pre-created collection of table rows , , , ‘;
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