The $v_hist_column_access_stats view lists the names of all columns that are captured during table access and provides some cumulative statistics.
Name | Description |
---|---|
dbname | The name of the database to which the session is connected |
schemaname | The schema name as specified in catalog.schema.table |
tablename | The table name of the table |
columname | The name of the column |
refs | The number of times that this column was referenced |
num_selected |
The number of times this column was referenced in the following
clauses
|