identify difference from NUMBER(5) and NUMBER(8,2) USER_TAB_COLUMNS

Question

I want to get the columns names and datatype and its datatype\'s length .as example

if there is a table

SQL> create table TestTable(
  2    ID                


        

Answer 1

If this is only for Geetting information then just Press ALT+F1 on the name of the table this will show you the names of the columns with length and data types.