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Oracle® Database Reference
11g Release 1 (11.1)

Part Number B28320-01
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ALL_PART_COL_STATISTICS displays column statistics and histogram information for the table partitions accessible to the current user.

Related Views

Column Datatype NULL Description
OWNER VARCHAR2(30) NOT NULL Owner of the partitioned table
TABLE_NAME VARCHAR2(30) NOT NULL Name of the table
PARTITION_NAME VARCHAR2(30)   Name of the table partition
COLUMN_NAME VARCHAR2(4000)   Name of the column
NUM_DISTINCT NUMBER   Number of distinct values in the column
LOW_VALUE RAW(32)   Low value in the column
HIGH_VALUE RAW(32)   High value in the column
DENSITY NUMBER   Density of the column
NUM_NULLS NUMBER   Number of nulls in the column
NUM_BUCKETS NUMBER   Number of buckets in histogram for the column
SAMPLE_SIZE NUMBER   Sample size used in analyzing the column
LAST_ANALYZED DATE   Date on which the column was most recently analyzed
GLOBAL_STATS VARCHAR2(3)   Indicates whether column statistics were collected for the partition as a whole (YES) or were estimated from statistics on underlying subpartitions (NO)
USER_STATS VARCHAR2(3)   Indicates whether statistics were entered directly by the user (YES) or not (NO)
AVG_COL_LEN NUMBER   Average length of the column (in bytes)
HISTOGRAM VARCHAR2(15)   Indicates existence/type of histogram:
  • NONE