Oracle in a Nutshell

Name

CREATE/ALTER/DROP TABLE (XML Syntax)

Synopsis

CREATE Syntax:

CREATE TABLE [schema.]table OF XMLTYPE
[XMLTYPE STORE AS 
  {OBJECT RELATIONAL
  | CLOB 
    [{LOB_segname [(LOB_Parameter_Clause)]
     | LOB_Parameter_Clause
     }]
  }]
[[XMLSCHEMA XMLSchema_URL] ELEMENT 
  {element 
  | XMLSchema_URL # element
  }]

ALTER Syntax:

ALTER TABLE [schema.]table_name 
{ ADD (column  
                     datatype [DEFAULT expr] [Column_Constraint_Clause] 
  [,column datatype [DEFAULT expr] [Column_Constraint_Clause] ...)]
| MODIFY 
  { (column  
                     datatype [DEFAULT expr] [Column_Constraint_Clause] 
     [,column datatype [DEFAULT expr] [Column_Constraint_Clause] ...)]
XMLTYPE COLUMN column STORE AS 
  {OBJECT RELATIONAL
  | CLOB 
    [{ LOB_segname [(LOB_Parameter_Clause)]
     | LOB_Parameter_Clause
     }]
  }]
[[XMLSCHEMA XMLSchema_URL] ELEMENT 
  {element 
  | XMLSchema_URL # element
  }]

DROP Syntax:

DROP TABLE [schema.]table_name
[CASCADE CONSTRAINTS]

Creates, modifies, or drops an XML table. New with Oracle9i Release 2.

Keywords

STORE AS

Specifies how Oracle manages the storage of the underlying columns. New with Oracle9i.

OBJECT RELATIONAL

Specifies that Oracle is to store the XMLType data in object-relational columns. If you specify OBJECT RELATIONAL, then you must also specify an XMLSchema in the XMLSCHEMA clause, and you must already have registered the schema (using the built-in DBMS_XMLSCHEMA package). Oracle will create the table conforming to the registered schema.

CLOB

Specifies that Oracle is to store the XML data in a CLOB column. If you specify CLOB, then you may also ...