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Enumerates information about the mining structures in the current catalog.
Rowset Columns
The DMSCHEMA_MINING_STRUCTURES rowset contains the following columns.
Column name |
Type indicator |
Length |
Description |
|---|---|---|---|
STRUCTURE_CATALOG |
DBTYPE_WSTR |
The catalog name. |
|
STRUCTURE_SCHEMA |
DBTYPE_WSTR |
The unqualified schema name. NULL if schemas are not supported by the provider. |
|
STRUCTURE_NAME |
DBTYPE_WSTR |
The structure name. This column cannot contain NULL. |
|
STRUCTURE_GUID |
DBTYPE_GUID |
A GUID that uniquely identifies the structure. NULL if not supported by the provider. |
|
DESCRIPTION |
DBTYPE_WSTR |
A concise description of the structure. NULL if no description is associated with the structure. |
|
STRUCTURE_PROPID |
DBTYPE_UI4 |
The property ID of the structure. NULL if not supported by the provider. |
|
DATE_CREATED |
DBTYPE_DBTIMESTAMP |
The date when the structure was created. NULL if not available from the provider. |
|
DATE_MODIFIED |
DBTYPE_DBTIMESTAMP |
The date when the structure was last modified. NULL if not available from the provider. |
|
CREATION_STATEMENT |
DBTYPE_WSTR |
(Optional) The statement that was used to create the original data mining model. |
|
IS_POPULATED |
DBTYPE_BOOL |
A Boolean that indicates whether the structure is populated. VARIANT_TRUE if the structure is populated; VARIANT_FALSE otherwise. |
|
LAST_PROCESSED |
DBTYPE_DBTIMESTAMP |
The date when the structure was last processed. NULL if not available from the provider. |
|
HOLDOUT_MAXPERCENT |
DBTYPE_ UI1 |
User-specified value that indicates the maximum percentage of the input cases held out as the test set. 0 or NULL indicates no limit. |
|
HOLDOUT_MAXCASES |
DBTYPE_UI8 |
User-specified value that indicates the maximum number of the input cases held out as the test set. 0 or NULL indicates no limit. |
|
HOLDOUT_SEED |
DBTYPE_UI8 |
User-specified value that is used as the seed for repeatable partitioning. 0 indicates that a hash of the mining structure ID is used as the seed. |
|
HOLDOUT_ACTUAL_SIZE |
DBTYPE_UI8 |
If the mining structure is processed, this indicates the actual size of the test data set, expressed in number of cases. NULL indicates that the mining structure is not processed. |
The rowset is sorted on STRUCTURE_CATALOG, STRUCTURE_SCHEMA, STRUCTURE_NAME.
Restriction Columns
The DMSCHEMA_MINING_STRUCTURES rowset can be restricted on the columns listed in the following table.
Column name |
Type indicator |
Restriction State |
|---|---|---|
STRUCTURE_CATALOG |
DBTYPE_WSTR |
Optional. |
STRUCTURE_SCHEMA |
DBTYPE_WSTR |
Optional. |
STRUCTURE_NAME |
DBTYPE_WSTR |
Optional. |