help [[owner.]objectname {, [owner.]objectname}]
help comment column [owner.]table columnname {, columnname}
help comment table [owner.]table {, [owner.]table }
help default [owner.]tablename
help help
help index [owner.]indexname {, [owner.]indexname}
help procedure [owner.]procedure_name
{, [owner.]procedure_name}
help register [owner.]objectname
help sql [sql_statement]
help table [owner.]tablename {, [owner.]tablename}
help view [owner.]viewname {, [owner.]viewname}