column_id

BIGINT

Primary key, foreign key

The ID of the column for which statistics are collected, from the pga_column metadata table.

contains_null

BOOLEAN

NOT NULL

Specifies whether the column can contain NULL values.

contains_nan

BOOLEAN

-

Specifies whether the column can contain NaN values.

This is relevant only for FLOAT, DOUBLE, and NUMERIC data types.

min_value

VARCHAR

-

The minimum column value.

It is displayed as a string for consistency and must be converted to the current column data type when used.

max_value

VARCHAR

-

The maximum column value.

It is displayed as a string for consistency and must be converted to the current column data type when used.