36.12. column_column_usage
  The view
  
   column_column_usage
  
  identifies all generated
   columns that depend on another base column in the same table.  Only tables
   owned by a currently enabled role are included.
 
   
    Table 36.10. 
    
     column_column_usage
    
    Columns
   
  
| Name | Data Type | Description | 
|---|---|---|
       
        table_catalog
       
       | 
      
       
        sql_identifier
       
       | 
      Name of the database containing the table (always the current database) | 
       
        table_schema
       
       | 
      
       
        sql_identifier
       
       | 
      Name of the schema containing the table | 
       
        table_name
       
       | 
      
       
        sql_identifier
       
       | 
      Name of the table | 
       
        column_name
       
       | 
      
       
        sql_identifier
       
       | 
      Name of the base column that a generated column depends on | 
       
        dependent_column
       
       | 
      
       
        sql_identifier
       
       | 
      Name of the generated column |