If I have a select statment which retrives 2 rows, & that
rows have the same data in all the fields except the last
field and I want to merge the 2 rows to be in 1 row with
concatenating the last field which have the different
data.... eg: the 1st row has these fields: A-B-C
the second row has: A-B-X ........ i want to merge the two
row to be in one row like ----> A- B- C,X

Answers were Sorted based on User's Feedback



If I have a select statment which retrives 2 rows, & that rows have the same data in all the f..

Answer / murali mohan

Try this...Hope this will give the Required Answer
create table testsamp(a char,b char,c char);
insert into testsamp values ('A','B','C');
insert into testsamp values ('A','B','X');

select a,b,c from(
select a , b,
c||lead(c,1) over (partition by a,b order by a,b) c from
testsamp ) tmp where rownum=1;

Regards,
Murali

Is This Answer Correct ?    4 Yes 1 No

If I have a select statment which retrives 2 rows, & that rows have the same data in all the f..

Answer / sreeharibabu g

select max(a),max(b),listagg(c,',') within group ( order by null) from testsamp group by a,b;

Is This Answer Correct ?    0 Yes 0 No

Post New Answer

More Oracle General Interview Questions

What are the roles of dba?

0 Answers  


What are the execution control statements?

0 Answers  


What is a sub query? Describe its types?

0 Answers  


How view is different from a table?

0 Answers  


Can cursor variables be stored in PL/SQL tables.If yes how. If not why?

1 Answers  






What is Data Dictionary Cache in Oracle?

0 Answers   MCN Solutions,


Why required to run root.sh at the time of installation and what exactly it will do

1 Answers  


What is an oracle and why it is used?

0 Answers  


How to display the hierarchy of employee and managers without using connect by prior.

1 Answers  


How to convert a date to char in oracle? Give one example.

0 Answers  


How do I uninstall oracle 11g?

0 Answers  


How to run create database statement again?

0 Answers  


Categories
  • Oracle General Interview Questions Oracle General (1789)
  • Oracle DBA (Database Administration) Interview Questions Oracle DBA (Database Administration) (261)
  • Oracle Call Interface (OCI) Interview Questions Oracle Call Interface (OCI) (10)
  • Oracle Architecture Interview Questions Oracle Architecture (90)
  • Oracle Security Interview Questions Oracle Security (38)
  • Oracle Forms Reports Interview Questions Oracle Forms Reports (510)
  • Oracle Data Integrator (ODI) Interview Questions Oracle Data Integrator (ODI) (120)
  • Oracle ETL Interview Questions Oracle ETL (15)
  • Oracle RAC Interview Questions Oracle RAC (93)
  • Oracle D2K Interview Questions Oracle D2K (72)
  • Oracle AllOther Interview Questions Oracle AllOther (241)