ALL_TAB_COL_STAT_MODELS

ALL_TAB_COL_STAT_MODELS describes real-time statistics models for all tables accessible to the current user.

Real-time statistics models use machine learning algorithms to predict the number of distinct values (NDV) for table columns.

Column Datatype NULL Description
OWNER VARCHAR2(128) NOT NULL Owner of the table
TABLE_NAME VARCHAR2(128) NOT NULL Name of the table
COLUMN_NAME VARCHAR2(128) NOT NULL Name of the table column to which the model applies
STATS_TYPE VARCHAR2(7)  

Statistics type

The value of this column is always NDV.

MODEL_NAME VARCHAR2(200) NOT NULL Name of the model
STATUS VARCHAR2(8)   Status of the model (ENABLED or DISABLED)
CREATED TIMESTAMP(6) WITH TIME ZONE   Time at which the model was created
LAST_USED TIMESTAMP(6) WITH TIME ZONE   Time at which the model was most recently used

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