Number of columns

Question

how do you count the number of columns in a table in oracle?

Answer 1

Number of column and number of rows in oracle table:

SELECT u.table_name Table_Name, 
       Count(*)     Table_Columns, 
       u.num_rows   Table_Rows 
FROM   user_tab_columns c, 
       user_tables u 
WHERE  u.table_name = c.table_name 
GROUP  BY u.table_name, 
          u.num_rows