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Oracle® Database Reference
12c Release 1 (12.1)

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V$MAP_EXT_ELEMENT displays supplementary information for all element mapping structures.

Column Datatype Description
ELEM_IDX NUMBER Index corresponding to the element
NUM_ATTRB NUMBER Number of Attributes (maximum is 5)
ATTRB1_NAME VARCHAR2(256) Name of the first Attribute
ATTRB1_VAL VARCHAR2(256) Value of the first attribute
ATTRB2_NAME VARCHAR2(256) Name of the second attribute
ATTRB2_VAL VARCHAR2(256) Value of the second attribute
ATTRB3_NAME VARCHAR2(256) Name of the third attribute
ATTRB3_VAL VARCHAR2(256) Value of the third attribute
ATTRB4_NAME VARCHAR2(256) Name of the fourth attribute
ATTRB4_VAL VARCHAR2(256) Value of the fourth attribute
ATTRB5_NAME VARCHAR2(256) Name of the fifth attribute
ATTRB5_VAL VARCHAR2(256) Value of the fifth attribute
CON_ID NUMBER The ID of the container to which the data pertains. Possible values include:
  • 0: This value is used for rows containing data that pertain to the entire CDB. This value is also used for rows in non-CDBs.

  • 1: This value is used for rows containing data that pertain to only the root

  • n: Where n is the applicable container ID for the rows containing data