Procedure needed to input table name

Question

i want a procedure where i would enter the table name and an attribute as input parameters.
The procedure will find whether the entered attribute is primary key or not
Please help me

Answer 1

Hi,
Try this :
SQL> create table test (col1 number primary key, col2 number);
Table created.
SQL> create or replace function is_pk (tb_name varchar2, col_name varchar2)
return varchar2 is
var_is_pk varchar2(5);
begin
begin
select 'PK'
into    var_is_pk
from   user_cons_columns a, user_constraints b
where  a.OWNER=b.OWNER
and   a.CONSTRAINT_NAME=b.CONSTRAINT_NAME
and   a.TABLE_NAME=b.TABLE_NAME
and   a.TABLE_NAME=upper(tb_name)
and   a.COLUMN_NAME=upper(col_name)
and   b.constraint_type='P';
exception when others then var_is_pk:='NO_PK';
end;
return var_is_pk;
end;
Function created.
SQL> select is_pk('test','col1'), is_pk('test','col2') from dual;
IS_PK('TEST','COL1')  IS_PK('TEST','COL2')
PK                             NO_PKHTH,
Nicolas.
I'm sorry Maarten, my network is catastrophic this morning... so I didn't see your post before post mine.
Message was edited by:
N. Gasparotto