https://communities.sas.com/t5/SAS-Enterprise-Guide/Maximum-number-of-data-sets-can-be-used-in-Merge/m-p/74221#M7376 Hi,<BR /> <BR /> The Maximum number of data sets can be used in MERGE ? Tue, 17 Feb 2009 06:21:32 GMT deleted_user 2009-02-17T06:21:32Z https://communities.sas.com/t5/SAS-Enterprise-Guide/Maximum-number-of-data-sets-can-be-used-in-Merge/m-p/74221#M7376 Hi,<BR /> <BR /> The Maximum number of data sets can be used in MERGE ? Tue, 17 Feb 2009 06:21:32 GMT https://communities.sas.com/t5/SAS-Enterprise-Guide/Maximum-number-of-data-sets-can-be-used-in-Merge/m-p/74221#M7376 deleted_user 2009-02-17T06:21:32Z https://communities.sas.com/t5/SAS-Enterprise-Guide/Maximum-number-of-data-sets-can-be-used-in-Merge/m-p/74222#M7377 how big a number would you like? Tue, 17 Feb 2009 08:43:11 GMT https://communities.sas.com/t5/SAS-Enterprise-Guide/Maximum-number-of-data-sets-can-be-used-in-Merge/m-p/74222#M7377 deleted_user 2009-02-17T08:43:11Z https://communities.sas.com/t5/SAS-Enterprise-Guide/Maximum-number-of-data-sets-can-be-used-in-Merge/m-p/74223#M7378 What is the maximum number? Tue, 17 Feb 2009 09:05:56 GMT https://communities.sas.com/t5/SAS-Enterprise-Guide/Maximum-number-of-data-sets-can-be-used-in-Merge/m-p/74223#M7378 deleted_user 2009-02-17T09:05:56Z https://communities.sas.com/t5/SAS-Enterprise-Guide/Maximum-number-of-data-sets-can-be-used-in-Merge/m-p/74224#M7379 have a look at the usage note <A href="http://support.sas.com/kb/8/213.html" target="_blank">http://support.sas.com/kb/8/213.html</A> which describes for SAS9 that data set sizes are being constrained by the environment in which SAS runs, not by the SAS system.<BR /> So may I ask again, how many datasets do you need to merge? <BR /> It would be interesting to hear also, why you would want to merge thousands or millions of data sets.<BR /> <BR /> <BR /> PeterC Tue, 17 Feb 2009 10:38:04 GMT https://communities.sas.com/t5/SAS-Enterprise-Guide/Maximum-number-of-data-sets-can-be-used-in-Merge/m-p/74224#M7379 Peter_C 2009-02-17T10:38:04Z