topic what is the difference between &quot;large size data&quot; and &quot;normal size data&quot; in SAS Procedures https://communities.sas.com/t5/SAS-Procedures/what-is-the-difference-between-quot-large-size-data-quot-and/m-p/26216#M5977 <HTML><HEAD></HEAD><BODY><P>dear all</P><P></P><P>I apologize for asking a question that is not directly linked to SAS procedure. I am asking this question because many people have asked me if I have any experience with <STRONG>Large Size Data.</STRONG> The largest data I have ever dealt with is about 200MB, and I don't feel much difference. </P><P></P><P>I realize that nowdays data could be several GB big or even bigger, but I don't understand what a data analyst will do differently with those <STRONG>Large Size Data </STRONG>in comparison with <STRONG>normal size data</STRONG>. Could anyone give me some hint? Or is there any book I can read?</P><P></P><P>Thank you very much.</P></BODY></HTML> Tue, 05 Jul 2011 20:25:13 GMT littlestone 2011-07-05T20:25:13Z what is the difference between "large size data" and "normal size data" https://communities.sas.com/t5/SAS-Procedures/what-is-the-difference-between-quot-large-size-data-quot-and/m-p/26216#M5977 <HTML><HEAD></HEAD><BODY><P>dear all</P><P></P><P>I apologize for asking a question that is not directly linked to SAS procedure. I am asking this question because many people have asked me if I have any experience with <STRONG>Large Size Data.</STRONG> The largest data I have ever dealt with is about 200MB, and I don't feel much difference. </P><P></P><P>I realize that nowdays data could be several GB big or even bigger, but I don't understand what a data analyst will do differently with those <STRONG>Large Size Data </STRONG>in comparison with <STRONG>normal size data</STRONG>. Could anyone give me some hint? Or is there any book I can read?</P><P></P><P>Thank you very much.</P></BODY></HTML> Tue, 05 Jul 2011 20:25:13 GMT https://communities.sas.com/t5/SAS-Procedures/what-is-the-difference-between-quot-large-size-data-quot-and/m-p/26216#M5977 littlestone 2011-07-05T20:25:13Z what is the difference between "large size data" and "normal size data" https://communities.sas.com/t5/SAS-Procedures/what-is-the-difference-between-quot-large-size-data-quot-and/m-p/26217#M5978 <HTML><HEAD></HEAD><BODY><P>Definitely NOT my area of expertise but, from the position of one who has managed SAS programmers and statisticians, I can guess why they would be asking.</P><P></P><P>I think it comes down to what does a candidate know regarding optimizing the analysis of really large amounts of data.&nbsp; I.e., what are the benefits of such things as teradata and sql passthru, when are such techniques/technologies most useful, and what conditions might make using certain techniques a waste of time?&nbsp; Similarly, what are the benefits of using indexes and what conditions would make their use beneficial.</P><P></P><P>As for suggested reading, I'll leave that to those who have actually read the materials.</P><P></P><P>Art</P></BODY></HTML> Tue, 05 Jul 2011 21:48:08 GMT https://communities.sas.com/t5/SAS-Procedures/what-is-the-difference-between-quot-large-size-data-quot-and/m-p/26217#M5978 art297 2011-07-05T21:48:08Z what is the difference between "large size data" and "normal size data" https://communities.sas.com/t5/SAS-Procedures/what-is-the-difference-between-quot-large-size-data-quot-and/m-p/26218#M5979 <HTML><HEAD></HEAD><BODY><P>Thank you, Art.</P><P></P><P>Any other comments? please...</P></BODY></HTML> Wed, 06 Jul 2011 14:49:17 GMT https://communities.sas.com/t5/SAS-Procedures/what-is-the-difference-between-quot-large-size-data-quot-and/m-p/26218#M5979 littlestone 2011-07-06T14:49:17Z