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Oracle® Database Reference
12c Release 1 (12.1)

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DBA_ROLLING_UNSUPPORTED displays the schemas, tables, and columns in those tables that contain unsupported data types for a rolling upgrade operation for a logical standby database using the DBMS_ROLLING PL/SQL package. Use this view before you perform a rolling upgrade using DBMS_ROLLING to determine what is unsupported.

The data pertains to the container in which the view is queried.

Column Datatype NULL Description
OWNER VARCHAR2(30)   Schema name of the unsupported column
TABLE_NAME VARCHAR2(30)   Name of the table that the unsupported column belongs to
COLUMN_NAME VARCHAR2(30)   Name of the unsupported column
ATTRIBUTES VARCHAR2(39)   If not a data type issue, displays the reason why the table is unsupported
DATA_TYPE VARCHAR2(32)   Data type of the unsupported column


This view is available starting with Oracle Database 12c Release 1 (


A rolling upgrade using DBMS_ROLLING supports more object types than a manual rolling upgrade using transient logical standby databases

See Also: