MY_TAB_STATISTICS
MY_TAB_STATISTICS displays statistics about tables owned by the current user in the database. This view exists in the PG_CATALOG and SYS schemas and all users can access this view.
Name |
Type |
Description |
---|---|---|
table_name |
character varying(128) |
Table name. |
partition_name |
character varying(128) |
Not supported. Set it to NULL. |
partition_position |
numeric |
Not supported. Set it to NULL. |
subpartition_name |
character varying(128) |
Not supported. Set it to NULL. |
subpartition_position |
numeric |
Not supported. Set it to NULL. |
object_type |
character varying(12) |
Object type
|
num_rows |
numeric |
Number of rows in an object. |
blocks |
numeric |
Not supported. Set it to NULL. |
empty_blocks |
numeric |
Not supported. Set it to NULL. |
avg_space |
numeric |
Not supported. Set it to NULL. |
chain_cnt |
numeric |
Not supported. Set it to NULL. |
avg_row_len |
integer |
Average row length, including the row overhead. |
avg_space_freelist_blocks |
numeric |
Not supported. Set it to NULL. |
num_freelist_blocks |
numeric |
Not supported. Set it to NULL. |
avg_cached_blocks |
numeric |
Not supported. Set it to NULL. |
avg_cache_hit_ratio |
numeric |
Not supported. Set it to NULL. |
im_imcu_count |
numeric |
Not supported. Set it to NULL. |
im_block_count |
numeric |
Not supported. Set it to NULL. |
im_stat_update_time |
timestamp(6) without time zone |
Not supported. Set it to NULL. |
scan_rate |
numeric |
Not supported. Set it to NULL. |
sample_size |
numeric |
Number of samples used for analyzing a table. |
last_analyzed |
timestamp with time zone |
Date when a table was last analyzed. Database restart is not supported. Otherwise, data loss will occur. |
global_stats |
character varying(3) |
Not supported. Set it to NULL. |
user_stats |
character varying(3) |
Not supported. Set it to NULL. |
stattype_locked |
character varying(5) |
Not supported. Set it to NULL. |
stale_stats |
character varying(7) |
Not supported. Set it to NULL. |
notes |
character varying(25) |
Not supported. Set it to NULL. |
scope |
character varying(7) |
Not supported. The default value is SHARED. |
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