how to retrieve 1st and last row of table without using
group functions??

Answers were Sorted based on User's Feedback



how to retrieve 1st and last row of table without using group functions??..

Answer / prabhudatta

SELECT * FROM (SELECT * FROM EMP ORDER BY EMP_NO) WHERE
ROWNUM=1

UNION

SELECT * FROM (SELECT * FROM EMP ORDER BY EMP_NO DESC)
WHERE ROWNUM=1;

Is This Answer Correct ?    14 Yes 4 No

how to retrieve 1st and last row of table without using group functions??..

Answer / sudipta santra

For the 1st row:

select * from emp where rownum<2 order by empno;

For the last row:

select * from emp where rownum<2 order by empno desc;

Is This Answer Correct ?    14 Yes 5 No

how to retrieve 1st and last row of table without using group functions??..

Answer / nathan

SELECT *
FROM (SELECT emp.*, ROWNUM rn
FROM emp)
WHERE rn = 1 OR rn = (SELECT COUNT (*)
FROM emp);

Is This Answer Correct ?    3 Yes 0 No

how to retrieve 1st and last row of table without using group functions??..

Answer / rajesh

SELECT * FROM (SELECT * FROM EMP ORDER BY EMP_NO) WHERE
ROWNUM < 2

UNION

SELECT * FROM (SELECT * FROM EMP ORDER BY EMP_NO DESC)
WHERE ROWNUM < 2;

Is This Answer Correct ?    2 Yes 0 No

how to retrieve 1st and last row of table without using group functions??..

Answer / ajay reddy

Select * from (select e.*,rownum r from emp e) where r in(1,(select count(*) from emp));

Is This Answer Correct ?    0 Yes 0 No

how to retrieve 1st and last row of table without using group functions??..

Answer / ajitnayak

SELECT *
FROM EMP
WHERE ROWID = (SELECT MIN(ROWID) FROM EMP)
UNION
SELECT *
FROM EMP
WHERE ROWID = (SELECT MAX(ROWID) FROM EMP)

Is This Answer Correct ?    0 Yes 0 No

Post New Answer

More Oracle General Interview Questions

What should be the return type for a cursor variable.Can we use a scalar data type as return type?

1 Answers  


Display those managers salary greater than the average salary of his employees?(Based on oracle standard Emp table)

6 Answers  


What is clusters ?

2 Answers  


How do I manually create a database in oracle?

0 Answers  


Differnce between view and index

3 Answers  


What is the use of aggregate functions in oracle?

0 Answers  


What happens to indexes if you drop a table?

0 Answers  


Can we connect to ORACLE db using Windows Authentication?

0 Answers   MCN Solutions,


what are the diffeenes between oracle 9i,oracle 10g

2 Answers  


How to use attributes of the implicit cursor in oracle?

0 Answers  


t1 col1 col2 nishi 5000 lucky 6700 akash 7000 i want that a query that when i insert 7000 it will show me data already present and data will not insert. if data is not present it will insert.

2 Answers   MasterCard,


What is oracle rowcount?

0 Answers  


Categories
  • Oracle General Interview Questions Oracle General (1808)
  • 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)