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one of the column in my table contains the data like
SAL
----
1000
1000
2000
3000
3000

So my requirement is i want output like
SAL
---
1000
2000
3000

it mean i want to delete duplicate rows in the table
permanently and i want output in the above formatow should u
write query?

Question Posted / sivanagaraju

Answers were Sorted based on User's Feedback



one of the column in my table contains the data like SAL ---- 1000 1000 2000 3000 3000 So ..

Answer / dinesh kumar

delete from table_name alias1
where rownum < ( select max(rownum) from table_name alias2
where alias1.col1 = alias.col2 );

Is This Answer Correct ?    0 Yes 0 No

one of the column in my table contains the data like SAL ---- 1000 1000 2000 3000 3000 So ..

Answer / destiny

create table salary2 as select distinct * from salary1
drop table salary1
rename salary2 to salary1

Is This Answer Correct ?    0 Yes 0 No

one of the column in my table contains the data like SAL ---- 1000 1000 2000 3000 3000 So ..

Answer / muthukumar

Select Sal From Emp
Group By Sal

Is This Answer Correct ?    3 Yes 4 No

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