ALL_TAB_HISTOGRAMS describes histograms on tables and views accessible to the current user.

Related Views

  • DBA_TAB_HISTOGRAMS describes histograms on all tables and views in the database.

  • USER_TAB_HISTOGRAMS describes histograms on all tables and views owned by the current user. This view does not display the OWNER column.


These views are populated only if you collect statistics on the index using the ANALYZE statement or the DBMS_STATS package.
Column Datatype NULL Description
OWNER VARCHAR2(30)   Owner of the table
TABLE_NAME VARCHAR2(30)   Name of the table
COLUMN_NAME VARCHAR2(4000)   Column name or attribute of the object type column
ENDPOINT_NUMBER NUMBER   Histogram bucket number
ENDPOINT_VALUE NUMBER   Normalized endpoint value for this bucket
ENDPOINT_ACTUAL_VALUE VARCHAR2(1000)   Actual (not normalized) string value of the endpoint for this bucket