ALL_PART_HISTOGRAMS displays the histogram data (endpoints per histogram) for the histograms on the table partitions accessible to the current user.
DBA_PART_HISTOGRAMS displays the histogram data for the histograms on all table partitions in the database.
USER_PART_HISTOGRAMS displays the histogram data for the histograms on the table partitions owned by the current user. This view does not display the OWNER column.
Note:
These views are populated only if you collect statistics on the index using theDBMS_STATS package.| Column | Datatype | NULL | Description |
|---|---|---|---|
OWNER |
VARCHAR2(30) |
Owner of the table | |
TABLE_NAME |
VARCHAR2(30) |
Name of the table | |
PARTITION_NAME |
VARCHAR2(30) |
Name of the table partition | |
COLUMN_NAME |
VARCHAR2(4000) |
Name of the column | |
BUCKET_NUMBER |
NUMBER |
Bucket number of the histogram | |
ENDPOINT_VALUE |
NUMBER |
Normalized endpoint values for the bucket | |
ENDPOINT_ACTUAL_VALUE |
VARCHAR2(1000) |
Actual (not normalized) string value of the endpoint for the bucket |
See Also: