Delete the emps whose salaries are lowest sals of their own
dept.
Answers were Sorted based on User's Feedback
Answer / raji_4u
DELETE FROM EMP E1
WHERE E1.SAL =
(SELECT MIN(SAL) FROM EMP E2
WHERE E1.DEPTNO = E2.DEPTNO
)
| Is This Answer Correct ? | 15 Yes | 3 No |
Answer / nagendra
delete from emp where sal in (select min(sal) from emp group
by deptno)
| Is This Answer Correct ? | 7 Yes | 7 No |
Answer / venkyhulk1
delete from emp where eno in
(SELECT
eno
FROM
(select eno, rank() over ( partition by dno order by
salary) rank , salary from emp) e
WHERE
e.rank=1)
vgupalli@gmail.com
| Is This Answer Correct ? | 1 Yes | 1 No |
Answer / divya chaudhry
delete from emp where (depno,nvl2(sal,sal,0)) in ( select
depno,min(nvl2(sal,sal,0)) from emp group by depno )
| Is This Answer Correct ? | 0 Yes | 3 No |
delete from emp where (deptno,nvl(comm,0)) in (select
deptno,min(nvl(comm,0)) from emp
group by deptno)
| Is This Answer Correct ? | 0 Yes | 4 No |
Can a view be mutating? If yes, then how?
Create table emp (id number(9), name varchar2(20),salary number(9,2)); The table has 100 records after table created.Now i nee to change id's Datatype is to be Varchar2(15). now Alter table emp modify(id varchar2(15),name varchar2(20), salary number(9,2)); Whether it will work or returns error? post answer with explanation.
what is difference between pass by value and eference by value in oracle plsql
What is the difference between DELETE and TRUNCATE?
15 Answers Johns Hopkins University, Tech Mahindra,
What is package in pl sql with an examples?
what eliminate duplicate without using roenum and not
How subquery works in sql?
what is log shipping? : Sql dba
. have a tablle like this: cust acc ----------- a 1 b 2 b 3 c 4 c 5 c 6 I Want below o/p: cust acc --------------- a 1 b 2|3 c 4|5|6 Please any one can you have any ideas share me. I have urgent requirement. CUST ACC a dv b fg b bh c mk c cl c so result:- A B c dv fg mk bh cl so
What are joins in sql?
How do rank () and dense_rank () differ?
Why do we use procedures?
Oracle (3259)
SQL Server (4518)
MS Access (429)
MySQL (1402)
Postgre (483)
Sybase (267)
DB Architecture (141)
DB Administration (291)
DB Development (113)
SQL PLSQL (3330)
MongoDB (502)
IBM Informix (50)
Neo4j (82)
InfluxDB (0)
Apache CouchDB (44)
Firebird (5)
Database Management (1411)
Databases AllOther (288)