Writing Comments Using Japanese Characters
On Japanese language sites, comments can contain single byte characters, multibyte characters, or both from KanjiEBCDIC, KanjiEUC, or KanjiShift-JIS character sets.
For example, this comment contains single byte and multibyte characters.
THIS COMMENT IS USED FOR TABLE TAB
For information on the comment returning form of the COMMENT statement, see “COMMENT (Comment-Returning Form)” in SQL Data Manipulation Language.