1 DROP
2 ALIAS alias-name
2! DISTINCT
2.1 TYPE distinct-type-name
2.2? 
2.2 RESTRICT
2.2 CASCADE
2.0 FUNCTION
2.0 ROUTINE
2.1 function-name
2.1.1? (
2.1.1.1? 
2.1.1.1+ ,
2.1.1.1 parameter-type
2.1.1.2 )
2 SPECIFIC
2.1 FUNCTION
2.1 ROUTINE
2.2 specific-name
2 INDEX index-name
2 PACKAGE package-name
2.1! VERSION
2.1.1 version-id
2.0 PROCEDURE
2.0 ROUTINE
2.1 procedure-name
2.2? (
2.2.1? 
2.2.1+ ,
2.2.1 parameter-type
2.2.2 )
2 SPECIFIC
2.1 PROCEDURE
2.1 ROUTINE
2.2 specific-name
2 SCHEMA schema-name
2.1? 
2.1 RESTRICT
2.1 CASCADE
2 SEQUENCE sequence-name
2.1! RESTRICT
2 TABLE table-name
2.1? 
2.1 RESTRICT
2.1 CASCADE
2 TRIGGER trigger-name
2 VIEW view-name
2.1? 
2.1 RESTRICT
2.1 CASCADE