USER_COLL_TYPES

2025-12-09 07:09:36  Updated

Feature

USER_COLL_TYPES lists user-defined collection types accessible to the current user.

Applicability

This topic applies only to OceanBase Database Enterprise Edition. OceanBase Database Community Edition provides only MySQL mode.

  • DBA_COLL_TYPES

  • ALL_COLL_TYPES

Fields

Field Type Nullable Description
TYPE_NAME VARCHAR2(64) NO The name of the type.
COLL_TYPE VARCHAR2(10) NO The type of the collection. Valid values:
  • VARYING
  • ARRAY
  • NESTED TABLE
  • UPPER_BOUND NUMBER(38) YES The maximum size for collections of the VARYING type.
    ELEM_TYPE_MOD VARCHAR2(7) YES At present, this field is not supported and is NULL by default.
    ELEM_TYPE_OWNER VARCHAR2(128) YES The owner of the collection element type.
    ELEM_TYPE_NAME VARCHAR2(324) YES The name of the collection element type.
    LENGTH NUMBER(38) YES The length of the collection element type.
    NUMBER_PRECISION NUMBER(38) YES The precision of the collection element type.
    SCALE NUMBER(38) YES The number of digits on the right of the decimal point of the collection element type.
    CHARACTER_SET_NAME CHAR(7) YES The name of the character set for the collection element type.
    ELEM_STORAGE CHAR(7) YES At present, this field is not supported and is NULL by default.
    NULLS_STORED CHAR(7) YES At present, this field is not supported and is NULL by default.

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