我怎样才能得到
COMMENT ON TABLE Table.ABC IS 'Blah 1';
COMMENT ON TABLE Table.ABC IS 'Blah 2';
返回
Table.ABC Blah 1
Table.ABC Blah 2
而不是只返回一条评论(最后一条)
Table.ABC Blah 2
通过调用以下查询
SELECT table_name, comments
FROM user_tab_comments
WHERE comments IS NOT NULL
ORDER BY 1, 2;