Обсуждение: find coumn name and his type with greatest size in bytes

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find coumn name and his type with greatest size in bytes

От
Алексей Ефимов
Дата:
Hello all! 
can you help, i need to write a query that displays column name with his data type that have maximum bytes length in row for every table in database:

for example, for table employees with data:
emp_id,  emp_name, emp_dept, emp_surname
1              alexey         2                trew

i need to get such output: 

table_name, emp_id,          column_name,  bytes, datatype
employees              1           emp_name       6         text