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How to delete the rows from a table with rownum is a multiple of 3 [message #371475]

Wed, 25 October 2000 22:13

Wesley Cheung
Messages: 1
Registered: October 2000

Junior Member

Hello,

I am doing the data testing on a project but the data is grouped into a certain range such as rownum 1 to 10 belongs to group 1.
To evenly delete some of the data from a row, I wish to delete the rows which has rownum as multiple of
3.

Does any one have any idea to solve this problem, thanks!

Wesley

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Re: How to delete the rows from a table with rownum is a multiple of 3 [message #371513 is a reply to message #371475]

Wed, 01 November 2000 03:57

Sudha
Messages: 29
Registered: November 2000

Junior Member

Hi Wesley Cheung,

Try out this Satatement which is for emp table
it may help u out.
> Delete from emp where empno in(select empno from (select empno,rownum a from emp)
where mod(a,3)=0);

Sudha

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