How does dbms_metadata.get_ddl query comment

select dbms_metadata.get_ddl ("TABLE"," ${tableName}") from dual can be used to query table creation statements
then how to query comment creation statements with similar statements

Mar.31,2021
MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1e54b44-4d66d.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e54b44-4d66d.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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