how will u get 1 and 3rd and 5th records in table what is
the query in oracle please help me

Answer Posted / punyaslok

(select * from emp)-(select rownum,emp.* from emp order by
mod(rownum,2);

Is This Answer Correct ?    0 Yes 3 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

what are the best practices to extract data from flat file source which are bigger than 100 mb memory?

1918


How many numbers of sessions can one group in batches?

623


How to Create a folder using pmrep command?

626


During the running session, output files are created by informatica server. Enlist few of them.

544


What is the procedure for creating independent data marts from informatica 7.1?

568






According to his methodology what all you need before you build a datawarehouse

1189


what is the size of your data warehousing?

1673


What is primary and backup node?

702


Design a mapping to load the cumulative sum of salaries of employees into target table?

898


How to elaborate tracing level?

687


What is the need for an etl tool?

639


What is target designer and target load order?

659


How can we send the flat file data to different targets(which are also flat files) based on the name of flat file with out adding extra columns?

1620


Name at least 5 different types of transformations used in mapping design and state the use of each.?

670


What are different types of transformations available in informatica?

588