DBA_TAB_PARTITIONS v11
The DBA_TAB_PARTITIONS view provides information about all of the partitions that reside in the database.
| Name | Type | Description |
|---|---|---|
table_owner | TEXT | The owner of the table in which the partition resides. |
schema_name | TEXT | The name of the schema in which the table resides. |
table_name | TEXT | The name of the table. |
composite | TEXT | YES if the table is subpartitioned; NO if the table is not subpartitioned. |
partition_name | TEXT | The name of the partition. |
subpartition_count | BIGINT | The number of subpartitions in the partition. |
high_value | TEXT | The high partitioning value specified in the CREATE TABLE statement. |
high_value_length | INTEGER | The length of high partitioning value. |
partition_position | INTEGER | 1 for the first partition; 2 for the second partition, etc. |
tablespace_name | TEXT | The name of the tablespace in which the partition resides. |
pct_free | NUMERIC | Included for compatibility only; always 0. |
pct_used | NUMERIC | Included for compatibility only; always 0. |
ini_trans | NUMERIC | Included for compatibility only; always 0. |
max_trans | NUMERIC | Included for compatibility only; always 0. |
initial_extent | NUMERIC | Included for compatibility only; always NULL. |
next_extent | NUMERIC | Included for compatibility only; always NULL. |
min_extent | NUMERIC | Included for compatibility only; always 0. |
max_extent | NUMERIC | Included for compatibility only; always 0. |
pct_increase | NUMERIC | Included for compatibility only; always 0. |
freelists | NUMERIC | Included for compatibility only; always NULL |
freelist_groups | NUMERIC | Included for compatibility only; always NULL. |
logging | CHARACTER VARYING(7) | Included for compatibility only; always YES. |
compression | CHARACTER VARYING(8) | Included for compatibility only; always NONE. |
num_rows | NUMERIC | Same as pg_class.reltuples. |
blocks | INTEGER | Same as pg_class.relpages. |
empty_blocks | NUMERIC | Included for compatibility only; always NULL. |
avg_space | NUMERIC | Included for compatibility only; always NULL. |
chain_cnt | NUMERIC | Included for compatibility only; always NULL. |
avg_row_len | NUMERIC | Included for compatibility only; always NULL. |
sample_size | NUMERIC | Included for compatibility only; always NULL. |
last_analyzed | TIMESTAMP WITHOUT TIME ZONE | Included for compatibility only; always NULL. |
buffer_pool | CHARACTER VARYING(7) | Included for compatibility only; always NULL. |
global_stats | CHARACTER VARYING(3) | Included for compatibility only; always YES. |
user_stats | CHARACTER VARYING(3) | Included for compatibility only; always NO. |
backing_table | REGCLASS | Name of the partition backing table. |