Table 備註
COMMENT ON TABLE [Schema.]tableName IS '備註';
View 備註
COMMENT ON TABLE [Schema.]viewName IS '備註';
Table/View Column 備註
COMMENT ON COLUMN [Schema.]table_or_viewName.columnName IS '備註';
查看 Column 備註
SELECT column_name
, comments
FROM dba_col_comments
WHERE table_name = upper('table_or_viewName');