How to get multiple records in one row and different column

Question

Hi All,
I am using oracle database 11g
and i have a two tables table_1, table_2
table_1 having columns
emp_no
first_name
middle_name
last_name
email
and table_2 having columns
emp_no
phone_type
phone_number
and having entires
emp_no phone_type phone_number
1001 MOB 9451421452
1001 WEMG 235153654
1001 EMG 652341536
1002 MOB 9987526312
1003 WEMG 5332621456
1004 EMG 59612356
Now i want the output of values with phone type as MOB or WEMG in a single row with different columns
emp_no first_name middle_name last_name email mobile officeno
1001 mark null k [email protected] 9451421452 235153654
1002 john cena gary [email protected] 9987526312 null
1003 dany null craig [email protected] null 5332621456
1004 donald finn sian [email protected] null null
can i have any inputs to achive this???
Regards
$sid

Answer 1

Frank Kulash wrote:
sonething like this:Frank, you missed aggregate function (pivot requires one). However main thing is it will cause ORA-01748:
with table_1 as (
                 select 1001 emp_no,'mark' first_name,null middle_name,'k'last_name,'[email protected]' email from dual union all
                 select 1002,'john','cena','gary','[email protected]' from dual union all
                 select 1003,'dany',null,'craig','[email protected] null' from dual union all
                 select 1004,'donald','finn','sian','[email protected]' from dual
     table_2 as (
                 select 1001 emp_no,'MOB' phone_type,9451421452 phone_number from dual union all
                 select 1001,'WEMG',235153654 from dual union all
                 select 1001,'EMG',652341536 from dual union all
                 select 1002,'MOB',9987526312 from dual union all
                 select 1003,'WEMG',5332621456 from dual union all
                 select 1004,'EMG',59612356 from dual
SELECT     *
FROM     table_1      t1
JOIN     table_2      t2  ON  t1.emp_no = t2.emp_no
PIVOT     (    max(t2.phone_number)
     FOR  t2.phone_type  IN  ( 'MOB'   AS mob
                             , 'WEMG'  AS wemg
        FOR  t2.phone_type  IN  ( 'MOB'   AS mob
ERROR at line 19:
ORA-01748: only simple column names allowed hereYou need to:
with table_1 as (
                 select 1001 emp_no,'mark' first_name,null middle_name,'k' last_name,'[email protected]' email from dual union all
                 select 1002,'john','cena','gary','[email protected]' from dual union all
                 select 1003,'dany',null,'craig','[email protected] null' from dual union all
                 select 1004,'donald','finn','sian','[email protected]' from dual
     table_2 as (
                 select 1001 emp_no,'MOB' phone_type,9451421452 phone_number from dual union all
                 select 1001,'WEMG',235153654 from dual union all
                 select 1001,'EMG',652341536 from dual union all
                 select 1002,'MOB',9987526312 from dual union all
                 select 1003,'WEMG',5332621456 from dual union all
                 select 1004,'EMG',59612356 from dual
     table_3 as (
                 select  t1.emp_no,first_name,middle_name,last_name,email,
                         phone_type,phone_number
                   FROM     table_1      t1
                   LEFT JOIN     table_2      t2  ON  t1.emp_no = t2.emp_no
SELECT     *
FROM     table_3
PIVOT     (    max(phone_number)
     FOR  phone_type  IN  ( 'MOB'   AS mob
                             , 'WEMG'  AS wemg
    EMP_NO FIRST_ MIDD LAST_ EMAIL                     MOB       WEMG
      1004 donald finn sian  [email protected]
      1003 dany        craig [email protected] null            5332621456
      1001 mark        k     [email protected]      9451421452  235153654
      1002 john   cena gary  [email protected]    9987526312
SQL>SY.