EXEC SQL [AT { db_name | :host_variable }] 
 [FOR { :host_integer | integer }]
 DELETE [FROM] 
 [ (subquery) 
 | [schema.] { table | view } [ @db_link | PARTITION (part_name) ]
 ]
 [alias] [WHERE { condition | CURRENT OF cursor }]  
 [DML.RETURNING.CLAUSE]