github.com/cockroachdb/cockroach@v20.2.0-alpha.1+incompatible/docs/generated/sql/bnf/comment.bnf (about)

     1  comment_stmt ::=
     2  	'COMMENT' 'ON' 'DATABASE' database_name 'IS' comment_text
     3  	| 'COMMENT' 'ON' 'TABLE' table_name 'IS' comment_text
     4  	| 'COMMENT' 'ON' 'COLUMN' column_name 'IS' comment_text
     5  	| 'COMMENT' 'ON' 'INDEX' table_index_name 'IS' comment_text