Checking Whether the Source Database Contains Unsupported Table Field Types

**Table 1** Checking whether the source database contains unsupported table field types
Check Item	Whether the source database contains unsupported table field types
Description	Unsupported table field types are as follows: BFILE, XMLType, SDO_GEOMETRY, TIMESTAMP (x), INTERVAL DAY TO SECOND (x), and UROWID. The source database contains unsupported table field types, resulting in migration failures. NOTE: x indicates the precision. TIMESTAMP and INTERVAL DAY TO SECOND do not support the column type with precision between 7 to 9. Due to internal restrictions, DRS cannot filter out special fields during data processing.
Failure Cause and Handling Suggestion	Failure cause: The source database contains unsupported table field types. Handling suggestion: Delete the columns containing the unsupported field types. Alternatively, do not migrate the tables containing the unsupported table field types.

**Table 2** Checking whether the source database contains unsupported table field types
Check Item	Whether the source database contains unsupported table field types
Description	The following table fields types are not supported: geometry, point, lineString, polygon, geometrycollection, multipoint, multilinestring, and multipolygon. The source database contains unsupported table field types, resulting in migration failures.
Failure Cause and Handling Suggestion	Failure cause: The source database contains unsupported table field types. Handling suggestion: Delete the columns containing the unsupported field types. Alternatively, do not migrate the tables containing the unsupported table field types.