CREATE METHOD Syntax | Teradata Database - CREATE METHOD Syntax - Teradata Database

SQL Data Definition Language Syntax and Examples

Deployment
VantageCloud
VantageCore
Edition
VMware
Enterprise
IntelliFlex
Product
Teradata Database
Release Number
20.00
Publication Date
June 2025
Content Type
SQL Reference
Publication ID
B035-1144-200K
ft:locale
en-US
ft:lastEdition
2026-09-23
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jlp1749501702948.ditaval
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mdr1472255012272
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latest
CREATE [ INSTANCE | CONSTRUCTOR ] METHOD [SYSUDTLIB.] method_name
  ( locator_specification [,...] )
  RETURNS return_data_type [ CAST FROM cast_data_type ] FOR UDT_name
  [ USING GLOP SET GLOP_set_name ]
  EXTERNAL [ NAME { external_method_name | 'item_list [ delimiter... ]' } ]
  [ EXTERNAL SECURITY { DEFINER [ authorization_name ] | INVOKER } ] [;]
locator_specification
[ parameter_name ] data_type [ AS LOCATOR ]
data_type
{ INTEGER | SMALLINT | BIGINT | BYTEINT | DATE |

  { TIME | TIMESTAMP } [ (fractional_seconds_precision) ] [WITH TIME ZONE] |

  INTERVAL YEAR [(precision)] [TO MONTH] |

  INTERVAL MONTH [(precision)] |

  INTERVAL DAY [(precision)]
    [TO { HOUR | MINUTE | SECOND [(fractional_seconds_precision)] }] |

  INTERVAL HOUR [(precision)]
    [TO { MINUTE | SECOND [(fractional_seconds_precision)] }] |

  INTERVAL MINUTE [(precision)] [TO SECOND [(fractional_seconds_precision)]] |

  INTERVAL SECOND [ ( precision [, fractional_seconds_precision ] ) |

  PERIOD (DATE) |

  PERIOD ( { TIME | TIMESTAMP } [(precision)] [WITH TIME ZONE] ) |

  REAL |

  DOUBLE PRECISION |

  FLOAT [ (integer) ] |

  NUMBER [ ( { integer | *} [, integer]... ) ] |

  { DECIMAL | NUMERIC } [ ( integer [, integer]... ) ] |

  { CHAR | BYTE | GRAPHIC } [ (integer) ] |

  { VARCHAR | CHAR VARYING | VARBYTE | VARGRAPHIC } [ (integer) ] |

  LONG VARCHAR |

  LONG VARGRAPHIC |

  { BINARY LARGE OBJECT | BLOB | CHARACTER LARGE OBJECT | CLOB }
    ( integer [ G | K | M ] ) |

  { XML | XMLTYPE } |

  JSON [ ( integer ) ] [ CHARACTER SET { UNICODE | LATIN } ] |

  [SYSUDTLIB.] { UDT_name | ST_Geometry | MBR | ARRAY_name | VARRAY_name }
}
item_list
{ F delimiter method_entry_name | D | { S | C } S_or_C_item }
S_or_C_item
{ I delimiter name_on_server delimiter include_name |
  L delimiter library_name |
  O delimiter name_on_server delimiter object_name |
  S delimiter name_on_server delimiter source_name
}