If you can just query the table for your results, you can do a SELECT DISTINCT instead of just a SELECT. If you give me a bit more information about where the duplicate data is coming from, I can provide a bit more detail. You can come see me on the end of desk.
-- Kevin Weiler IT IMC Financial Markets | 233 S. Wacker Drive, Suite 4300 | Chicago, IL 60606 | http://imc-chicago.com/ Phone: +1 312-204-7439 | Fax: +1 312-244-3301 | E-Mail: kevin.wei...@imc-chicago.com<mailto:kevin.wei...@imc-chicago.com> On Sep 10, 2014, at 12:04 PM, Raj Hadoop <hadoop...@yahoo.com<mailto:hadoop...@yahoo.com>> wrote: Hi, I have a requirement in Hive to remove duplicate records ( they differ only by one column i.e a date column) and keep the latest date record. Sample : Hive Table : d2 is a higher cno,sqno,date 100 1 1-oct-2013 101 2 1-oct-2013 100 1 2-oct-2013 102 2 2-oct-2013 Output needed: 100 1 2-oct-2013 101 2 1-oct-2013 102 2 2-oct-2013 I am using Hive 0.11 Any suggestions please ? Regards, Raj ________________________________ The information in this e-mail is intended only for the person or entity to which it is addressed. It may contain confidential and /or privileged material. If someone other than the intended recipient should receive this e-mail, he / she shall not be entitled to read, disseminate, disclose or duplicate it. If you receive this e-mail unintentionally, please inform us immediately by "reply" and then delete it from your system. Although this information has been compiled with great care, neither IMC Financial Markets & Asset Management nor any of its related entities shall accept any responsibility for any errors, omissions or other inaccuracies in this information or for the consequences thereof, nor shall it be bound in any way by the contents of this e-mail or its attachments. In the event of incomplete or incorrect transmission, please return the e-mail to the sender and permanently delete this message and any attachments. Messages and attachments are scanned for all known viruses. Always scan attachments before opening them.
